December 2021 - Test - lists.nanog.org

Weekly Global IPv4 Routing Table Report
by Routing Table Analysis Role Account 31 Dec '21

31 Dec '21

This is an automated weekly mailing describing the state of the Global IPv4 Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG. Daily listings are sent to bgp-stats(a)lists.apnic.net. For historical data, please see https://thyme.apnic.net. If you have any comments please contact Philip Smith <pfsinoz(a)gmail.com>. IPv4 Routing Table Report 04:00 +10GMT Sat 01 Jan, 2022 BGP Table (Global) as seen in Japan. Report Website: https://thyme.apnic.net Detailed Analysis: https://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 882085 Prefixes after maximum aggregation (per Origin AS): 333018 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 424495 Number of IPv4 prefixes with ROAs (including AS0): 253942 Total ASes present in the Internet Routing Table: 72558 Prefixes per ASN: 12.16 Origin-only ASes present in the Internet Routing Table: 62287 Origin ASes announcing only one prefix: 25692 Transit ASes present in the Internet Routing Table: 10271 Transit-only ASes present in the Internet Routing Table: 371 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 53 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 906 Number of instances of unregistered ASNs: 910 Number of 32-bit ASNs allocated by the RIRs: 38216 Number of 32-bit ASNs visible in the Routing Table: 31770 Prefixes from 32-bit ASNs in the Routing Table: 147228 Number of bogon 32-bit ASNs visible in the Routing Table: 25 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 705 Number of addresses announced to Internet: 3074351616 Equivalent to 183 /8s, 62 /16s and 226 /24s Percentage of available address space announced: 83.0 Percentage of allocated address space announced: 83.0 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 297820 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232361 Total APNIC prefixes after maximum aggregation: 65312 APNIC Deaggregation factor: 3.56 Prefixes being announced from the APNIC address blocks: 227183 Unique aggregates announced from the APNIC address blocks: 93516 APNIC Region origin ASes present in the Internet Routing Table: 12239 APNIC Prefixes per ASN: 18.56 APNIC Region origin ASes announcing only one prefix: 3500 APNIC Region transit ASes present in the Internet Routing Table: 1708 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7424 Number of APNIC addresses announced to Internet: 774452096 Equivalent to 46 /8s, 41 /16s and 51 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-151865 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 257146 Total ARIN prefixes after maximum aggregation: 118506 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 256894 Unique aggregates announced from the ARIN address blocks: 122589 ARIN Region origin ASes present in the Internet Routing Table: 18927 ARIN Prefixes per ASN: 13.57 ARIN Region origin ASes announcing only one prefix: 6856 ARIN Region transit ASes present in the Internet Routing Table: 1951 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4264 Number of ARIN addresses announced to Internet: 1300549888 Equivalent to 77 /8s, 132 /16s and 209 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-401308 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 252604 Total RIPE prefixes after maximum aggregation: 115966 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 249004 Unique aggregates announced from the RIPE address blocks: 148410 RIPE Region origin ASes present in the Internet Routing Table: 28156 RIPE Prefixes per ASN: 8.84 RIPE Region origin ASes announcing only one prefix: 12125 RIPE Region transit ASes present in the Internet Routing Table: 3938 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10587 Number of RIPE addresses announced to Internet: 713757824 Equivalent to 42 /8s, 139 /16s and 20 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-213403 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 111641 Total LACNIC prefixes after maximum aggregation: 27264 LACNIC Deaggregation factor: 4.09 Prefixes being announced from the LACNIC address blocks: 112434 Unique aggregates announced from the LACNIC address blocks: 47800 LACNIC Region origin ASes present in the Internet Routing Table: 10893 LACNIC Prefixes per ASN: 10.32 LACNIC Region origin ASes announcing only one prefix: 2662 LACNIC Region transit ASes present in the Internet Routing Table: 2188 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 53 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8575 Number of LACNIC addresses announced to Internet: 176521472 Equivalent to 10 /8s, 133 /16s and 129 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 27427 Total AfriNIC prefixes after maximum aggregation: 5291 AfriNIC Deaggregation factor: 5.18 Prefixes being announced from the AfriNIC address blocks: 35865 Unique aggregates announced from the AfriNIC address blocks: 11544 AfriNIC Region origin ASes present in the Internet Routing Table: 1585 AfriNIC Prefixes per ASN: 22.63 AfriNIC Region origin ASes announcing only one prefix: 549 AfriNIC Region transit ASes present in the Internet Routing Table: 312 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 34 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 920 Number of AfriNIC addresses announced to Internet: 108618496 Equivalent to 6 /8s, 121 /16s and 99 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 8754 9000 57 CHINAMOBILE-CN China Mobile Communicati 7545 5839 787 681 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4697 4192 74 ERX-CERNET-BKB China Education and Rese 7552 3608 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3482 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3247 1880 58 VNPT-AS-VN VNPT Corp, VN 4766 2518 11120 602 KIXS-AS-KR Korea Telecom, KR 9498 2216 474 231 BBIL-AP BHARTI Airtel Ltd., IN 45090 2163 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2122 429 203 TATACOMM-AS TATA Communications formerl Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 6053 10131 2600 AMAZON-02, US 11492 4573 303 813 CABLEONE, US 22773 4028 3032 386 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3950 264 30 VIASAT-SP-BACKBONE, US 16625 3679 1897 2568 AKAMAI-AS, US 6327 3391 1319 65 SHAW, CA 749 2890 50784 2146 DNIC-AS-00749, US 30036 2603 374 146 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2522 5043 432 CENTURYLINK-US-LEGACY-QWEST, US 20115 2241 3033 501 CHARTER-20115, US Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6839 1733 150 UNI2-AS, ES 9121 6697 1692 17 TTNET, TR 20940 3878 3348 210 AKAMAI-ASN1, NL 8551 3566 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3271 187 23 ALJAWWALSTC-AS, SA 12389 2950 2284 902 ROSTELECOM-AS, RU 9009 2546 261 1356 M247, GB 34984 2216 357 601 TELLCOM-AS, TR 47331 1952 313 1486 TTNET, TR 58224 1774 923 577 TCI, IR Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 8745 3452 578 Uninet S.A. de C.V., MX 10620 3260 490 839 Telmex Colombia S.A., CO 11830 2466 369 62 Instituto Costarricense de Electricidad 13999 1637 283 461 Mega Cable, S.A. de C.V., MX 6503 1440 355 522 Axtel, S.A.B. de C.V., MX 28573 1400 2325 256 CLARO S.A., BR 3816 1245 658 146 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1146 2350 138 TIM SA, BR 6147 1089 369 21 Telefonica del Peru S.A.A., PE 11664 994 191 443 Techtel LMDS Comunicaciones Interactiva Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1629 393 21 LINKdotNET-AS, EG 24835 1548 499 32 RAYA-AS, EG 36992 1299 1518 262 ETISALAT-MISR, EG 36903 1195 543 114 MT-MPLS, MA 29571 853 68 12 ORANGE-COTE-IVOIRE, CI 36935 687 521 39 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 517 50 33 WANANCHI-, KE 37342 470 32 1 MOVITEL, MZ 23889 428 232 16 MauritiusTelecom, MU Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 8754 9000 57 CHINAMOBILE-CN China Mobile Communicati 8151 8745 3452 578 Uninet S.A. de C.V., MX 12479 6839 1733 150 UNI2-AS, ES 9121 6697 1692 17 TTNET, TR 16509 6053 10131 2600 AMAZON-02, US 7545 5839 787 681 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4697 4192 74 ERX-CERNET-BKB China Education and Rese 11492 4573 303 813 CABLEONE, US 22773 4028 3032 386 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3950 264 30 VIASAT-SP-BACKBONE, US Complete listing at https://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 8151 8745 8167 Uninet S.A. de C.V., MX 12479 6839 6689 UNI2-AS, ES 9121 6697 6680 TTNET, TR 7545 5839 5158 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4697 4623 ERX-CERNET-BKB China Education and Research Net 7155 3950 3920 VIASAT-SP-BACKBONE, US 11492 4573 3760 CABLEONE, US 20940 3878 3668 AKAMAI-ASN1, NL 22773 4028 3642 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3608 3588 VIETEL-AS-AP Viettel Group, VN Complete listing at https://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 46990 UNALLOCATED 8.5.242.0/23 3356 LEVEL3, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 1782 UNALLOCATED 8.42.19.0/24 46887 LIGHTOWER, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US 32306 UNALLOCATED 8.46.80.0/24 33652 CMCS, US Complete listing at https://thyme.apnic.net/current/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://thyme.apnic.net/current/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.252.160.0/24 Origin: 398968 GROUP-IID-01, US 23.252.160.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE 23.252.161.0/24 Origin: 398968 GROUP-IID-01, US 23.252.161.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE 23.252.162.0/24 Origin: 398968 GROUP-IID-01, US 23.252.162.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE 23.252.163.0/24 Origin: 398968 GROUP-IID-01, US 23.252.163.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE Complete listing at https://thyme.apnic.net/current/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:13 /10:41 /11:102 /12:305 /13:594 /14:1212 /15:2038 /16:13560 /17:8319 /18:13939 /19:25253 /20:42953 /21:51755 /22:108112 /23:94471 /24:518607 /25:795 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 9121 5876 6697 TTNET, TR 12479 5785 6839 UNI2-AS, ES 11492 3526 4573 CABLEONE, US 6327 3199 3391 SHAW, CA 8151 3169 8745 Uninet S.A. de C.V., MX 7155 3040 3950 VIASAT-SP-BACKBONE, US 8551 3031 3566 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 3004 4028 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2807 3271 ALJAWWALSTC-AS, SA 30036 2258 2603 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1900 2:988 3:148 4:7 5:3696 6:102 7:5 8:1565 9:1 11:172 12:1702 13:409 14:2316 15:136 16:34 17:373 18:130 20:143 21:4 22:188 23:5381 24:2353 25:4 27:2572 29:19 31:2432 32:106 34:1 35:49 36:1729 37:3913 38:2439 39:712 40:148 41:3912 42:1049 43:2104 44:294 45:15972 46:3865 47:302 49:1628 50:1902 51:106 52:1348 54:290 55:733 56:4 57:56 58:1767 59:1139 60:947 61:2259 62:2422 63:1942 64:5401 65:2333 66:4930 67:2925 68:1184 69:4163 70:1337 71:677 72:3060 74:2622 75:1505 76:712 77:2154 78:3816 79:2781 80:1903 81:1651 82:1424 83:1196 84:1319 85:3563 86:693 87:1896 88:2619 89:3128 90:492 91:7535 92:1890 93:2576 94:3273 95:4517 96:1296 97:344 98:988 99:878 100:75 101:1050 102:1873 103:27849 104:4090 105:461 106:846 107:2415 108:748 109:4040 110:2051 111:3169 112:1944 113:1490 114:1531 115:1940 116:1880 117:2501 118:2305 119:1849 120:1627 121:1022 122:2528 123:2114 124:1610 125:2051 128:1378 129:1144 130:903 131:2071 132:752 133:365 134:1930 135:286 136:843 137:860 138:2457 139:1218 140:863 141:1310 142:1235 143:1422 144:1224 145:334 146:1751 147:1457 148:2206 149:1660 150:869 151:1081 152:1772 153:445 154:3616 155:1366 156:1850 157:1210 158:996 159:1999 160:2349 161:1276 162:3421 163:1191 164:1646 165:1527 166:619 167:1677 168:3672 169:685 170:4334 171:824 172:2920 173:3045 174:1004 175:1126 176:3448 177:4489 178:3015 179:1974 180:2290 181:2726 182:3208 183:1915 184:2412 185:19184 186:4257 187:3266 188:3785 189:2890 190:8815 191:1315 192:10985 193:8491 194:6943 195:4990 196:2889 197:2381 198:5992 199:5964 200:7450 201:5424 202:10466 203:10025 204:4510 205:3386 206:3851 207:3349 208:3997 209:4610 210:4228 211:2452 212:3921 213:3362 214:1154 215:64 216:6391 217:2637 218:1219 219:608 220:1962 221:982 222:844 223:2144 End of report

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Carrier Options in Hong Kong
by nanoguser99 28 Dec '21

28 Dec '21

Nanog, Currently my organization uses PCCW which we pay through the nose for and I'm looking to cut them. This was put in place before me. I was informed that PCCW is "the carrier" in Hong Kong but based on my analysis I'm not sure that's the case. My analysis of carriers such as Lumen and Cogent put them on par with PCCW. Pings to random IPs in HK are reasonable fast on all of them, same with pings to cloud providers. Access to mainland is not a hard requirement but just to check they all had 300+ ms latency to known IPs in Shanghai and Tanjin. I know some regions such as Korea or Dubai are monopolized where the wrong carrier takes you on a far away path to get a few blocks down the street. I don't need anything special, just general DIA and good access to eyeballs and internet. I just wanted to see people's opinions here as APAC connectivity can be tricky. - Nanoguser99 Sent with [ProtonMail](https://protonmail.com/) Secure Email.

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Weekly Global IPv4 Routing Table Report
by Routing Table Analysis Role Account 24 Dec '21

24 Dec '21

This is an automated weekly mailing describing the state of the Gobal IPv4 Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG. Daily listings are sent to bgp-stats(a)lists.apnic.net For historical data, please see https://thyme.apnic.net. If you have any comments please contact Philip Smith <pfsinoz(a)gmail.com>. Global IPv4 Routing Table Report 04:00 +10GMT Sat 25 Dec, 2021 BGP Table as seen in Japan. Report Website: https://thyme.apnic.net Detailed Analysis: https://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 885163 Prefixes after maximum aggregation (per Origin AS): 332925 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 424656 Number of IPv4 prefixes with ROAs (including AS0): 252939 Total ASes present in the Internet Routing Table: 72523 Prefixes per ASN: 12.21 Origin-only ASes present in the Internet Routing Table: 62238 Origin ASes announcing only one prefix: 25678 Transit ASes present in the Internet Routing Table: 10285 Transit-only ASes present in the Internet Routing Table: 371 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 53 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 920 Number of instances of unregistered ASNs: 922 Number of 32-bit ASNs allocated by the RIRs: 38178 Number of 32-bit ASNs visible in the Routing Table: 31711 Prefixes from 32-bit ASNs in the Routing Table: 147279 Number of bogon 32-bit ASNs visible in the Routing Table: 19 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 724 Number of addresses announced to Internet: 3073270528 Equivalent to 183 /8s, 46 /16s and 99 /24s Percentage of available address space announced: 83.0 Percentage of allocated address space announced: 83.0 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 299290 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 233109 Total APNIC prefixes after maximum aggregation: 65222 APNIC Deaggregation factor: 3.57 Prefixes being announced from the APNIC address blocks: 227930 Unique aggregates announced from the APNIC address blocks: 93654 APNIC Region origin ASes present in the Internet Routing Table: 12197 APNIC Prefixes per ASN: 18.69 APNIC Region origin ASes announcing only one prefix: 3466 APNIC Region transit ASes present in the Internet Routing Table: 1712 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7383 Number of APNIC addresses announced to Internet: 773501824 Equivalent to 46 /8s, 26 /16s and 179 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-151865 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 257192 Total ARIN prefixes after maximum aggregation: 118517 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 256825 Unique aggregates announced from the ARIN address blocks: 122511 ARIN Region origin ASes present in the Internet Routing Table: 18930 ARIN Prefixes per ASN: 13.57 ARIN Region origin ASes announcing only one prefix: 6857 ARIN Region transit ASes present in the Internet Routing Table: 1951 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4263 Number of ARIN addresses announced to Internet: 1300922624 Equivalent to 77 /8s, 138 /16s and 129 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-401308 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 252861 Total RIPE prefixes after maximum aggregation: 115963 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 249288 Unique aggregates announced from the RIPE address blocks: 148383 RIPE Region origin ASes present in the Internet Routing Table: 28169 RIPE Prefixes per ASN: 8.85 RIPE Region origin ASes announcing only one prefix: 12148 RIPE Region transit ASes present in the Internet Routing Table: 3942 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10587 Number of RIPE addresses announced to Internet: 713691520 Equivalent to 42 /8s, 138 /16s and 17 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-213403 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 113477 Total LACNIC prefixes after maximum aggregation: 27242 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 114273 Unique aggregates announced from the LACNIC address blocks: 47761 LACNIC Region origin ASes present in the Internet Routing Table: 10881 LACNIC Prefixes per ASN: 10.50 LACNIC Region origin ASes announcing only one prefix: 2655 LACNIC Region transit ASes present in the Internet Routing Table: 2195 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 53 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8560 Number of LACNIC addresses announced to Internet: 176297728 Equivalent to 10 /8s, 130 /16s and 23 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 27604 Total AfriNIC prefixes after maximum aggregation: 5293 AfriNIC Deaggregation factor: 5.22 Prefixes being announced from the AfriNIC address blocks: 36123 Unique aggregates announced from the AfriNIC address blocks: 11694 AfriNIC Region origin ASes present in the Internet Routing Table: 1586 AfriNIC Prefixes per ASN: 22.78 AfriNIC Region origin ASes announcing only one prefix: 552 AfriNIC Region transit ASes present in the Internet Routing Table: 312 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 918 Number of AfriNIC addresses announced to Internet: 108400128 Equivalent to 6 /8s, 118 /16s and 14 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 8744 9000 57 CHINAMOBILE-CN China Mobile Communicati 7545 5837 787 681 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4692 4192 74 ERX-CERNET-BKB China Education and Rese 7552 3602 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3481 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3245 1880 58 VNPT-AS-VN VNPT Corp, VN 4766 2475 11119 576 KIXS-AS-KR Korea Telecom, KR 9498 2211 475 235 BBIL-AP BHARTI Airtel Ltd., IN 45090 2136 1198 75 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2122 429 204 TATACOMM-AS TATA Communications formerl Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 6058 10131 2597 AMAZON-02, US 11492 4580 303 821 CABLEONE, US 22773 4031 3036 388 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3950 264 30 VIASAT-SP-BACKBONE, US 16625 3657 1885 2555 AKAMAI-AS, US 6327 3391 1319 65 SHAW, CA 749 2890 50784 2146 DNIC-AS-00749, US 30036 2603 374 146 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2523 5043 432 CENTURYLINK-US-LEGACY-QWEST, US 20115 2241 3033 501 CHARTER-20115, US Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6840 1733 150 UNI2-AS, ES 9121 6670 1692 17 TTNET, TR 20940 3858 3348 210 AKAMAI-ASN1, NL 8551 3554 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3271 187 23 ALJAWWALSTC-AS, SA 12389 2949 2284 902 ROSTELECOM-AS, RU 9009 2552 263 1360 M247, GB 34984 2205 355 600 TELLCOM-AS, TR 47331 1977 319 1509 TTNET, TR 58224 1772 922 577 TCI, IR Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10571 3451 583 Uninet S.A. de C.V., MX 10620 3263 491 836 Telmex Colombia S.A., CO 11830 2466 369 62 Instituto Costarricense de Electricidad 13999 1638 283 462 Mega Cable, S.A. de C.V., MX 6503 1440 355 522 Axtel, S.A.B. de C.V., MX 28573 1401 2324 256 CLARO S.A., BR 3816 1244 657 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1140 2350 138 TIM SA, BR 6147 1090 369 21 Telefonica del Peru S.A.A., PE 11664 994 191 443 Techtel LMDS Comunicaciones Interactiva Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1628 393 21 LINKdotNET-AS, EG 24835 1548 499 32 RAYA-AS, EG 36992 1294 1462 268 ETISALAT-MISR, EG 36903 1195 543 114 MT-MPLS, MA 29571 852 68 11 ORANGE-COTE-IVOIRE, CI 36935 685 521 39 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 517 50 33 WANANCHI-, KE 37342 470 32 1 MOVITEL, MZ 23889 429 232 16 MauritiusTelecom, MU Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10571 3451 583 Uninet S.A. de C.V., MX 9808 8744 9000 57 CHINAMOBILE-CN China Mobile Communicati 12479 6840 1733 150 UNI2-AS, ES 9121 6670 1692 17 TTNET, TR 16509 6058 10131 2597 AMAZON-02, US 7545 5837 787 681 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4692 4192 74 ERX-CERNET-BKB China Education and Rese 11492 4580 303 821 CABLEONE, US 22773 4031 3036 388 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3950 264 30 VIASAT-SP-BACKBONE, US Complete listing at https://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 8744 8687 CHINAMOBILE-CN China Mobile Communications Grou 12479 6840 6690 UNI2-AS, ES 9121 6670 6653 TTNET, TR 7545 5837 5156 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4692 4618 ERX-CERNET-BKB China Education and Research Net 7155 3950 3920 VIASAT-SP-BACKBONE, US 11492 4580 3759 CABLEONE, US 20940 3858 3648 AKAMAI-ASN1, NL 22773 4031 3643 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3602 3582 VIETEL-AS-AP Viettel Group, VN Complete listing at https://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 46990 UNALLOCATED 8.5.242.0/23 3356 LEVEL3, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 1782 UNALLOCATED 8.42.19.0/24 46887 LIGHTOWER, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US 32306 UNALLOCATED 8.46.80.0/24 33652 CMCS, US Complete listing at https://thyme.apnic.net/current/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://thyme.apnic.net/current/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.252.160.0/24 Origin: 398968 GROUP-IID-01, US 23.252.160.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE 23.252.161.0/24 Origin: 398968 GROUP-IID-01, US 23.252.161.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE 23.252.162.0/24 Origin: 398968 GROUP-IID-01, US 23.252.162.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE 23.252.163.0/24 Origin: 398968 GROUP-IID-01, US 23.252.163.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE Complete listing at https://thyme.apnic.net/current/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:13 /10:41 /11:101 /12:304 /13:592 /14:1213 /15:2040 /16:13563 /17:8327 /18:13920 /19:25271 /20:43287 /21:52000 /22:108460 /23:95438 /24:519801 /25:776 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 9121 5859 6670 TTNET, TR 12479 5783 6840 UNI2-AS, ES 8151 4396 10571 Uninet S.A. de C.V., MX 11492 3533 4580 CABLEONE, US 6327 3199 3391 SHAW, CA 7155 3040 3950 VIASAT-SP-BACKBONE, US 8551 3019 3554 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 3006 4031 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2807 3271 ALJAWWALSTC-AS, SA 30036 2258 2603 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1902 2:989 3:148 4:18 5:3687 6:102 7:5 8:1563 9:1 11:172 12:1699 13:409 14:2314 15:135 16:35 17:373 18:130 20:143 21:4 22:188 23:5364 24:2355 25:4 27:2576 29:19 31:2434 32:106 34:1 35:49 36:1728 37:3909 38:2416 39:710 40:148 41:3915 42:1052 43:2134 44:295 45:16056 46:3865 47:300 49:1652 50:1906 51:106 52:1352 54:289 55:731 56:4 57:59 58:1752 59:1138 60:947 61:2244 62:2419 63:1943 64:5404 65:2331 66:4927 67:2921 68:1185 69:4165 70:1340 71:676 72:3064 74:2618 75:1505 76:711 77:2131 78:3820 79:2773 80:1910 81:1647 82:1422 83:1194 84:1319 85:3572 86:692 87:1898 88:2621 89:3125 90:493 91:7520 92:1889 93:2572 94:3273 95:4516 96:1298 97:344 98:989 99:878 100:75 101:1049 102:1885 103:28048 104:4089 105:453 106:852 107:2413 108:750 109:4043 110:2057 111:3168 112:1938 113:1491 114:1558 115:1934 116:1890 117:2504 118:2308 119:1878 120:1625 121:1007 122:2527 123:2125 124:1618 125:2078 128:1388 129:1145 130:905 131:2071 132:753 133:365 134:1930 135:283 136:845 137:861 138:2441 139:1219 140:863 141:1320 142:1235 143:1412 144:1228 145:333 146:1748 147:1453 148:2213 149:1608 150:866 151:1078 152:1846 153:443 154:3577 155:1361 156:1874 157:1214 158:993 159:1999 160:2376 161:1281 162:3430 163:1189 164:1677 165:1543 166:619 167:1675 168:3657 169:689 170:4322 171:824 172:2919 173:3043 174:1005 175:1123 176:3433 177:4506 178:3022 179:1983 180:2340 181:2704 182:3198 183:1921 184:2416 185:19163 186:4227 187:3499 188:3666 189:3121 190:8843 191:1314 192:10990 193:8495 194:6943 195:4984 196:2907 197:2384 198:5997 199:5971 200:7437 201:5696 202:10503 203:10085 204:4506 205:3408 206:3847 207:3352 208:3996 209:4591 210:4247 211:2443 212:3915 213:3358 214:1152 215:64 216:6400 217:2636 218:1212 219:608 220:1968 221:1018 222:843 223:2146 End of report

1 0

Happy Holidays
by Nanog News 22 Dec '21

22 Dec '21

*Wishing you + yours a very warm holiday season from NANOG. *

3 2

One year since Nashville Christmas Day bombing (Dec 25, 2020)
by Sean Donelan 22 Dec '21

22 Dec '21

https://wpln.org/post/the-christmas-day-bombing-cut-off-emergency-communica… It’s been nearly a year since an RV exploded outside an AT&T data center in downtown Nashville. Damage from the blast resulted in major disruptions to phone and internet service for days, including to 911 call centers — more than 60 in Tennessee. Both the state and AT&T have been working to prevent similar outages in the future. [...] “I’m not trying to get up here and be an apologist for AT&T by any means, whatsoever,” he told the board in May, a few months before the contract was approved. “But they did do a very good job answering our questions.”

1 0

Anyone seeing ping corruption?
by Deepak Jain 21 Dec '21

21 Dec '21

Haven't seen this before. This is a Nexus 9K as a testing platform. Getting sporadic complaints about data transfers aborting, but data moves well through the platform. Hop 13 doesn't respond to our 1400 byte ping, hop 12 does a normal response, Google's 14 corrupts the packet or maybe deliberately manipulates it? 1.1.1.1 doesn't do that. Any insights welcome. Thanks, trace 8.8.8.8 traceroute to 8.8.8.8 (8.8.8.8), 30 hops max, 40 byte packets [deleted 3 hops] 4 154.24.71.85 (154.24.71.85) (AS 7922) 1.199 ms 154.24.32.5 (154.24.32.5) (AS 7922) 1.32 ms 154.24.32.1 (154.24.32.1) (AS 7922) 3.162 ms 5 154.54.81.173 (154.54.81.173) (AS 7922) 1.564 ms 154.54.81.141 (154.54.81.141) (AS 7922) 1.691 ms 154.54.81.221 (154.54.81.221) (AS 7922) 1.616 ms 6 154.54.40.109 (154.54.40.109) (AS 7922) 7.041 ms 154.54.40.105 (154.54.40.105) (AS 7922) 8.035 ms 154.54.40.109 (154.54.40.109) (AS 7922) 7.002 ms 7 154.54.47.218 (154.54.47.218) (AS 7922) 7.183 ms 8.595 ms 7.186 ms 8 154.54.12.18 (154.54.12.18) (AS 7922) 7.55 ms 16.791 ms 16.32 ms 9 * 66.110.96.62 (66.110.96.62) (AS 7922) 16.9 ms 8.202 ms [Label=24004 E=0 TTL=1 S=1] 10 66.110.96.58 (66.110.96.58) (AS 7922) 18.65 ms 15.823 ms 11.381 ms 11 72.14.195.232 (72.14.195.232) (AS 7922) 8.473 ms 8.128 ms 8.241 ms 12 108.170.248.33 (108.170.248.33) (AS 7922) 8.771 ms 108.170.248.1 (108.170.248.1) (AS 7922) 9.004 ms 9.223 ms 13 142.251.60.237 (142.251.60.237) (AS 7922) 8.138 ms 142.251.65.95 (142.251.65.95) (AS 7922) 7.768 ms 142.251.64.7 (142.251.64.7) (AS 7922) 8.171 ms 14 8.8.8.8 (8.8.8.8) (AS 7922) 8.271 ms 14.179 ms 8.185 ms ping Vrf context to use [default] : Target IP address or Hostname: 8.8.8.8 Repeat count [5] : Packet-size [56] : 1400 Timeout in seconds [2] : Sending interval in seconds [0] : Extended commands [no] : yes Interface : Source address or interface : Data pattern [0xabcd] : Type of service [0] : Set DF bit in IP header [no] : Time to live [255] : Loose/Strict, Record, Timestamp, Verbose [None] : Sweep range of sizes [no] : Sending 5, 1400-bytes ICMP Echos to 8.8.8.8 Timeout is 2 seconds, data pattern is 0xABCD 76 bytes from 8.8.8.8: icmp_seq=0 ttl=111 time=8.732 ms wrong data byte #68 should be 0xcd but was 0x0 37 2d b2 61 af 2f 4 0 cd ab 0 0 cd ab 0 0 cd ab 0 0 cd ab 0 0 cd ab 0 0 cd ab 0 0 cd ab 0 0 cd ab 0 0 cd ab 0 0 cd ab 0 0 cd ab 0 0 cd ab 0 0 cd ab 0 0 cd ab 0 0 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by nanoguser99 21 Dec '21

21 Dec '21

Raymond, Thanks for the response. Would you say then any 'major proivder' is fine for HK? Based on my tests w\ Lumen everything seems fine. I'll check the other ASNs. My posts are not making it to the list. I've done the following tests. The only 'bad one' was net-navigator. ==== >> Thank you. Would you say it's fair to say that Lumen would be fine to reach the eyeballs based on the following.... I believe they peer locally with the Cogents\Lumens of the world. Looking at BGP.he.net AS9444 I found some HKT IPs and pinged from the Lumen looking glass >> >> ==== >> Hong Kong Telecommunications (HKT) Limited >> >> Target: 120.88.245.3 with 64 data bytes Success rate sent/received = (1/1) packets >> Round-Trip min/avg/max = 1ms/1ms/1ms >> >> AS38819 - HKT GPRS network >> HONGKONG CHINA Ping results for:14.0.183.254 (14-0-183-254.static.pccw-hkt.com) >> >> Target: 14.0.183.254 with 64 data bytesSuccess rate sent/received = (1/1) packets >> Round-Trip min/avg/max = 2ms/2ms/2ms >> ===== >> >> The only remotely 'far' one was >> >> === >> Hong Kong Telecommunications (HKT) Limited Mass Internet >> >> traceroute to 1.65.190.108 (1.65.190.108), 30 hops max, 60 byte packets >> 1 gi0-0-0-18.221.rcr11.b061570-1.hkg02.atlas.cogentco.com (66.250.250.193) 0.861 ms 0.879 ms >> 2 be3692.ccr21.hkg02.atlas.cogentco.com (154.54.80.33) 1.079 ms 1.159 ms >> 3 be2414.rcr51.hkg01.atlas.cogentco.com (154.54.88.50) 1.772 ms 1.667 ms >> 4 pccw.hkg01.atlas.cogentco.com (154.54.140.66) 8.791 ms 3.131 ms >> 5 HundredGE0-3-0-0.br02.hkg08.pccwbtn.net (63.223.29.194) 3.234 ms 3.232 ms >> 6 csl.te0-1-0-14.br02.hkg08.pccwbtn.net (63.217.66.30) 3.290 ms 3.367 ms >> 7 * * >> 8 * * >> 9 * * >> 10 1-65-190-108.static.netvigator.com (1.65.190.108) 47.453 ms 47.441 ms >> === >> >> Cogent has similar results. >> >> If anyone has access to IPs in HK and doesn't mind helping please ping from cogent or lumen LG. >> >> Just want to ensure I'm not missing anything here in my analysis. >> >> Thanks >> - Nanoguser99 >> ==== Sent with [ProtonMail](https://protonmail.com/) Secure Email. ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Sunday, December 19th, 2021 at 1:01 PM, Raymond Leung <raymond.leung(a)booking.com> wrote: > Hong Kong isn't that bad, PCCW Netvigator AS4760, HKBN AS9269, HGC AS9304 are all announcing their customer route throughout HKIX > > HKBN is one of the largest operator on the market too, and most of the ISP are willing to exchange traffic via IX > > Raymond Leung > Senior Network Engineer > JNCIE-SP #2456, MIET, MIEEE > [Booking.com](https://www.booking.com/) > Making it easier for everyone > to experience the world. > > Mobile: +31629703060, +447490674066 > Tel: +31207094728 > > On Sun, Dec 19, 2021 at 3:41 AM Eric Kuhnke <eric.kuhnke(a)gmail.com> wrote: > >> I think the biggest difference between what the IP transit providers have described is that PCCW is also a major middle-mile and last-mile provider in Hong Kong. You'll find their 100Mbps to gigabit class end user service in apartments, condos and office buildings throughout the city. >> >> The non-HK based transit providers that would be in a top-40 CAIDA ASRANK size are generally not operators of last mile connectivity within the city. >> >> On Fri, Dec 17, 2021 at 2:54 PM nanoguser99 via NANOG <nanog(a)nanog.org> wrote: >> >>> Nanog, >>> >>> Currently my organization uses PCCW which we pay through the nose for and I'm looking to cut them. This was put in place before me. I was informed that PCCW is "the carrier" in Hong Kong but based on my analysis I'm not sure that's the case. My analysis of carriers such as Lumen and Cogent put them on par with PCCW. Pings to random IPs in HK are reasonable fast on all of them, same with pings to cloud providers. Access to mainland is not a hard requirement but just to check they all had 300+ ms latency to known IPs in Shanghai and Tanjin. >>> >>> I know some regions such as Korea or Dubai are monopolized where the wrong carrier takes you on a far away path to get a few blocks down the street. >>> >>> I don't need anything special, just general DIA and good access to eyeballs and internet. I just wanted to see people's opinions here as APAC connectivity can be tricky. >>> >>> - Nanoguser99 >>> >>> Sent with [ProtonMail](https://urldefense.com/v3/__https://protonmail.com/__;!!FzMMvhm… Secure Email.

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Incrementally deployable secure Internet routing: operator survey
by Adrian Perrig 17 Dec '21

17 Dec '21

Dear Nanog, Knowing how challenging it is to apply new technologies to current networks, in a collaboration between ETH, Princeton University, and University of Virginia, we constructed a system that provides security benefits for current Internet users while requiring minimal changes to networks. Our design can be built on top of the existing Internet to prevent routing attacks that can compromise availability and cause detrimental impacts on critical infrastructure – even given a low adoption rate. This provides benefits over other proposed approaches such as RPKI that only protects a route’s origin first AS, or BGPsec that requires widespread adoption and significant infrastructure upgrades. Our architecture, called Secure Backbone AS (SBAS), allows clients to benefit from emerging secure routing deployments like SCION by tunneling into a secure infrastructure. SBAS provides substantial routing security improvements when retrofitted to the current Internet. It also provides benefits even to non-participating networks and endpoints when communicating with an SBAS-protected entity. Our ultimate aim is to develop and deploy SBAS beyond an experimental scope. We have designed a survey to capture the impressions of the network operator community on the feasibility and viability of our design. The survey is anonymous and takes about 10 minutes to complete, including watching a brief 3-minute introductory video. https://docs.google.com/forms/d/e/1FAIpQLSc4VCkqd7i88y0CbJ31B7tVXyxBlhEy_zs… We thank you for helping inform our further work on this project. We will be happy to share the results with the community. With kind regards Prateek Mittal, Adrian Perrig, Yixin Sun

5 4

Weekly Global IPv4 Routing Table Report
by Routing Table Analysis Role Account 17 Dec '21

17 Dec '21

This is an automated weekly mailing describing the state of the Gobal IPv4 Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG. Daily listings are sent to bgp-stats(a)lists.apnic.net For historical data, please see https://thyme.apnic.net. If you have any comments please contact Philip Smith <pfsinoz(a)gmail.com>. Global IPv4 Routing Table Report 04:00 +10GMT Sat 18 Dec, 2021 BGP Table as seen in Japan. Report Website: https://thyme.apnic.net Detailed Analysis: https://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 873825 Prefixes after maximum aggregation (per Origin AS): 331399 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 423810 Number of IPv4 prefixes with ROAs (including AS0): 252218 Total ASes present in the Internet Routing Table: 72436 Prefixes per ASN: 12.06 Origin-only ASes present in the Internet Routing Table: 62181 Origin ASes announcing only one prefix: 25683 Transit ASes present in the Internet Routing Table: 10255 Transit-only ASes present in the Internet Routing Table: 354 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 53 Max AS path prepend of ASN (265020) 50 Prefixes from unregistered ASNs in the Routing Table: 910 Number of instances of unregistered ASNs: 912 Number of 32-bit ASNs allocated by the RIRs: 38109 Number of 32-bit ASNs visible in the Routing Table: 31625 Prefixes from 32-bit ASNs in the Routing Table: 146124 Number of bogon 32-bit ASNs visible in the Routing Table: 20 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 822 Number of addresses announced to Internet: 3072898560 Equivalent to 183 /8s, 40 /16s and 182 /24s Percentage of available address space announced: 83.0 Percentage of allocated address space announced: 83.0 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 291073 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231564 Total APNIC prefixes after maximum aggregation: 65083 APNIC Deaggregation factor: 3.56 Prefixes being announced from the APNIC address blocks: 226652 Unique aggregates announced from the APNIC address blocks: 93227 APNIC Region origin ASes present in the Internet Routing Table: 12159 APNIC Prefixes per ASN: 18.64 APNIC Region origin ASes announcing only one prefix: 3463 APNIC Region transit ASes present in the Internet Routing Table: 1711 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7347 Number of APNIC addresses announced to Internet: 773210752 Equivalent to 46 /8s, 22 /16s and 66 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-151865 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 256959 Total ARIN prefixes after maximum aggregation: 118517 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 256474 Unique aggregates announced from the ARIN address blocks: 122426 ARIN Region origin ASes present in the Internet Routing Table: 18920 ARIN Prefixes per ASN: 13.56 ARIN Region origin ASes announcing only one prefix: 6851 ARIN Region transit ASes present in the Internet Routing Table: 1949 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4251 Number of ARIN addresses announced to Internet: 1300753408 Equivalent to 77 /8s, 135 /16s and 236 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-401308 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 243933 Total RIPE prefixes after maximum aggregation: 114563 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 240345 Unique aggregates announced from the RIPE address blocks: 148218 RIPE Region origin ASes present in the Internet Routing Table: 28174 RIPE Prefixes per ASN: 8.53 RIPE Region origin ASes announcing only one prefix: 12161 RIPE Region transit ASes present in the Internet Routing Table: 3936 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10578 Number of RIPE addresses announced to Internet: 713781888 Equivalent to 42 /8s, 139 /16s and 114 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-213403 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 113116 Total LACNIC prefixes after maximum aggregation: 27295 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 113897 Unique aggregates announced from the LACNIC address blocks: 47774 LACNIC Region origin ASes present in the Internet Routing Table: 10861 LACNIC Prefixes per ASN: 10.49 LACNIC Region origin ASes announcing only one prefix: 2659 LACNIC Region transit ASes present in the Internet Routing Table: 2170 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 53 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8538 Number of LACNIC addresses announced to Internet: 176279040 Equivalent to 10 /8s, 129 /16s and 206 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 27343 Total AfriNIC prefixes after maximum aggregation: 5256 AfriNIC Deaggregation factor: 5.20 Prefixes being announced from the AfriNIC address blocks: 35635 Unique aggregates announced from the AfriNIC address blocks: 11423 AfriNIC Region origin ASes present in the Internet Routing Table: 1581 AfriNIC Prefixes per ASN: 22.54 AfriNIC Region origin ASes announcing only one prefix: 549 AfriNIC Region transit ASes present in the Internet Routing Table: 311 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 911 Number of AfriNIC addresses announced to Internet: 108313088 Equivalent to 6 /8s, 116 /16s and 186 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 9808 8759 9000 57 CHINAMOBILE-CN China Mobile Communicati 7545 5838 787 681 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4691 4192 74 ERX-CERNET-BKB China Education and Rese 7552 3588 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3483 1022 55 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3249 1896 54 VNPT-AS-VN VNPT Corp, VN 4766 2480 11119 578 KIXS-AS-KR Korea Telecom, KR 9498 2215 475 236 BBIL-AP BHARTI Airtel Ltd., IN 45090 2136 1198 75 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2123 429 204 TATACOMM-AS TATA Communications formerl Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 6043 10081 2593 AMAZON-02, US 11492 4555 302 849 CABLEONE, US 22773 4032 3036 389 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3950 264 30 VIASAT-SP-BACKBONE, US 16625 3660 1887 2548 AKAMAI-AS, US 6327 3391 1319 65 SHAW, CA 749 2890 50784 2146 DNIC-AS-00749, US 30036 2604 374 140 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2524 5043 432 CENTURYLINK-US-LEGACY-QWEST, US 20115 2237 3033 503 CHARTER-20115, US Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6844 1733 150 UNI2-AS, ES 20940 3866 3348 210 AKAMAI-ASN1, NL 8551 3495 378 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3271 187 23 ALJAWWALSTC-AS, SA 12389 2938 2281 892 ROSTELECOM-AS, RU 9009 2606 274 1390 M247, GB 34984 2204 355 600 TELLCOM-AS, TR 58224 1759 919 576 TCI, IR 13188 1609 100 27 TRIOLAN, UA 61317 1585 213 922 ASDETUK www.heficed.com, GB Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10557 3450 581 Uninet S.A. de C.V., MX 10620 3256 491 831 Telmex Colombia S.A., CO 11830 2466 369 62 Instituto Costarricense de Electricidad 13999 1636 283 461 Mega Cable, S.A. de C.V., MX 6503 1436 355 522 Axtel, S.A.B. de C.V., MX 28573 1400 2324 258 CLARO S.A., BR 3816 1244 657 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 26615 1140 2350 138 TIM SA, BR 6147 1091 370 21 Telefonica del Peru S.A.A., PE 11664 993 190 443 Techtel LMDS Comunicaciones Interactiva Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1626 393 21 LINKdotNET-AS, EG 24835 1546 499 32 RAYA-AS, EG 36992 1286 1430 268 ETISALAT-MISR, EG 36903 1195 543 114 MT-MPLS, MA 29571 852 68 11 ORANGE-COTE-IVOIRE, CI 36935 685 521 39 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 515 50 32 WANANCHI-, KE 37342 470 32 1 MOVITEL, MZ 23889 428 232 16 MauritiusTelecom, MU Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10557 3450 581 Uninet S.A. de C.V., MX 9808 8759 9000 57 CHINAMOBILE-CN China Mobile Communicati 12479 6844 1733 150 UNI2-AS, ES 16509 6043 10081 2593 AMAZON-02, US 7545 5838 787 681 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4691 4192 74 ERX-CERNET-BKB China Education and Rese 11492 4555 302 849 CABLEONE, US 22773 4032 3036 389 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3950 264 30 VIASAT-SP-BACKBONE, US 20940 3866 3348 210 AKAMAI-ASN1, NL Complete listing at https://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 8759 8702 CHINAMOBILE-CN China Mobile Communications Grou 12479 6844 6694 UNI2-AS, ES 7545 5838 5157 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4691 4617 ERX-CERNET-BKB China Education and Research Net 7155 3950 3920 VIASAT-SP-BACKBONE, US 11492 4555 3706 CABLEONE, US 20940 3866 3656 AKAMAI-ASN1, NL 22773 4032 3643 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3588 3568 VIETEL-AS-AP Viettel Group, VN 8551 3495 3456 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 46990 UNALLOCATED 8.5.242.0/23 3356 LEVEL3, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 1782 UNALLOCATED 8.42.19.0/24 46887 LIGHTOWER, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US 32306 UNALLOCATED 8.46.80.0/24 33652 CMCS, US Complete listing at https://thyme.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.252.160.0/24 Origin: 398968 GROUP-IID-01, US 23.252.160.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE 23.252.161.0/24 Origin: 398968 GROUP-IID-01, US 23.252.161.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE 23.252.162.0/24 Origin: 398968 GROUP-IID-01, US 23.252.162.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE 23.252.163.0/24 Origin: 398968 GROUP-IID-01, US 23.252.163.0/24 Transit: 1299 TWELVE99 Twelve99, Telia Carrier, SE Complete listing at https://thyme.apnic.net/current/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:13 /10:41 /11:101 /12:304 /13:594 /14:1212 /15:2043 /16:13560 /17:8322 /18:13911 /19:25209 /20:43139 /21:51159 /22:107703 /23:93918 /24:511804 /25:776 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5779 6844 UNI2-AS, ES 8151 4382 10557 Uninet S.A. de C.V., MX 11492 3508 4555 CABLEONE, US 6327 3199 3391 SHAW, CA 7155 3040 3950 VIASAT-SP-BACKBONE, US 22773 3006 4032 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2960 3495 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 2807 3271 ALJAWWALSTC-AS, SA 30036 2259 2604 MEDIACOM-ENTERPRISE-BUSINESS, US 11830 1921 2466 Instituto Costarricense de Electricidad y Telec Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1900 2:1012 3:148 4:18 5:3676 6:102 7:5 8:1545 9:1 11:172 12:1701 13:408 14:2305 15:135 16:34 17:374 18:130 20:143 21:4 22:188 23:5350 24:2354 25:2 27:2573 29:19 31:2416 32:106 34:1 35:49 36:1729 37:3907 38:2411 39:695 40:148 41:3921 42:1038 43:2091 44:294 45:15699 46:3731 47:298 49:1629 50:1895 51:106 52:1348 54:288 55:738 56:4 57:56 58:1750 59:1135 60:947 61:2240 62:2410 63:1945 64:5408 65:2334 66:4935 67:2918 68:1183 69:4138 70:1339 71:676 72:3060 74:2614 75:1506 76:711 77:2130 78:1786 79:2765 80:1892 81:1507 82:1418 83:1184 84:1320 85:2830 86:702 87:1898 88:1006 89:3099 90:492 91:7518 92:1886 93:2570 94:3250 95:3597 96:1291 97:344 98:987 99:879 100:75 101:1049 102:1838 103:27753 104:4088 105:442 106:847 107:2411 108:748 109:3978 110:2065 111:3170 112:1940 113:1494 114:1556 115:1947 116:1879 117:2483 118:2303 119:1856 120:1627 121:1010 122:2515 123:2116 124:1603 125:2033 128:1381 129:1117 130:904 131:2073 132:753 133:365 134:1924 135:288 136:846 137:866 138:2443 139:1204 140:855 141:1334 142:1235 143:1403 144:1229 145:332 146:1733 147:1429 148:2212 149:1570 150:863 151:1073 152:1670 153:445 154:3563 155:1360 156:1876 157:1220 158:991 159:2007 160:2368 161:1264 162:3411 163:1185 164:1651 165:1537 166:621 167:1677 168:3643 169:677 170:4299 171:813 172:2913 173:3041 174:1002 175:1115 176:3432 177:4495 178:3008 179:1973 180:2278 181:2668 182:3198 183:1922 184:2416 185:19136 186:4238 187:3496 188:3502 189:3124 190:8779 191:1289 192:11011 193:8487 194:6929 195:4982 196:2918 197:2339 198:5998 199:5974 200:7376 201:5657 202:10461 203:10005 204:4509 205:3392 206:3855 207:3359 208:3985 209:4596 210:4208 211:2413 212:3899 213:3360 214:1154 215:64 216:6394 217:2673 218:1211 219:609 220:1964 221:985 222:845 223:2134 End of report

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Registration Now Open for NANOG 84 + 5 Career Game-Changers + More
by Nanog News 16 Dec '21

16 Dec '21

*Revolutionize your Engineering Career * NANOG PC member Shares 5 Game-Changers to help your Career in 2022 As we edge towards a New Year, whispers of resolutions may be hitting your eardrums. Refining your vision for your engineering career in 2022 is no easy task. That's why we solicited insight from one of our own superstars. NANOG Program Committee vice-chair and Charter Communications sr. director of advanced engineering, Ognian (Ogi) Mitev, shares his top five game-changers that have made his career. *READ NOW * <https://www.nanog.org/stories/redefine-your-engineering-career-this-new-yea…> *Register Now for NANOG 84* NANOG 84 will Take Place Feb. 14 - 16 Join us for NANOG 84 virtually and in-person in Austin, TX, Feb. 14 - 16. Learn more about our registration fees, deadlines, and cancellation policy today. *REGISTER NOW * <https://www.nanog.org/events/nanog-84/> *Keeping You Safe at NANOG 84* Your health and safety are very important to us and NANOG is ready to host everyone safely in Austin. We will require that everyone attending NANOG 84 be fully vaccinated against COVID-19 no later than January 31, 2022. You are considered fully vaccinated at least 2 weeks after the final dose in either a 2 dose vaccine series (Pfizer, Moderna, or AstraZeneca) or the single-dose series (Johnson & Johnson’s Janssen) vaccine. If you do not meet these requirements, you are not fully vaccinated and we request that you join us for NANOG 84 virtually. There will be no exceptions. *MEETING GUIDELINES <https://www.nanog.org/events/nanog-84/safety-travel/>*

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