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July 2022

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Weekly Global IPv4 Routing Table Report
by Routing Table Analysis Role Account 01 Jul '22

01 Jul '22

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 02 Jul, 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: 902042 Prefixes after maximum aggregation (per Origin AS): 340029 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 434638 Total ASes present in the Internet Routing Table: 73329 Prefixes per ASN: 12.30 Origin-only ASes present in the Internet Routing Table: 62916 Origin ASes announcing only one prefix: 25883 Transit ASes present in the Internet Routing Table: 10413 Transit-only ASes present in the Internet Routing Table: 383 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 65 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 903 Number of instances of unregistered ASNs: 908 Number of 32-bit ASNs allocated by the RIRs: 39719 Number of 32-bit ASNs visible in the Routing Table: 32900 Prefixes from 32-bit ASNs in the Routing Table: 156375 Number of bogon 32-bit ASNs visible in the Routing Table: 26 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 486 Number of addresses announced to Internet: 3068212352 Equivalent to 182 /8s, 225 /16s and 52 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 306196 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235588 Total APNIC prefixes after maximum aggregation: 67010 APNIC Deaggregation factor: 3.52 Prefixes being announced from the APNIC address blocks: 230804 Unique aggregates announced from the APNIC address blocks: 95412 APNIC Region origin ASes present in the Internet Routing Table: 12750 APNIC Prefixes per ASN: 18.10 APNIC Region origin ASes announcing only one prefix: 3668 APNIC Region transit ASes present in the Internet Routing Table: 1746 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7966 Number of APNIC addresses announced to Internet: 773059328 Equivalent to 46 /8s, 19 /16s and 243 /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: 263347 Total ARIN prefixes after maximum aggregation: 120546 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263570 Unique aggregates announced from the ARIN address blocks: 126880 ARIN Region origin ASes present in the Internet Routing Table: 19048 ARIN Prefixes per ASN: 13.84 ARIN Region origin ASes announcing only one prefix: 6908 ARIN Region transit ASes present in the Internet Routing Table: 1945 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: 4543 Number of ARIN addresses announced to Internet: 1296755200 Equivalent to 77 /8s, 74 /16s and 234 /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: 258869 Total RIPE prefixes after maximum aggregation: 118611 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 256176 Unique aggregates announced from the RIPE address blocks: 151681 RIPE Region origin ASes present in the Internet Routing Table: 28148 RIPE Prefixes per ASN: 9.10 RIPE Region origin ASes announcing only one prefix: 12040 RIPE Region transit ASes present in the Internet Routing Table: 3984 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10715 Number of RIPE addresses announced to Internet: 713945728 Equivalent to 42 /8s, 141 /16s and 242 /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: 115408 Total LACNIC prefixes after maximum aggregation: 27658 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 115182 Unique aggregates announced from the LACNIC address blocks: 48711 LACNIC Region origin ASes present in the Internet Routing Table: 10979 LACNIC Prefixes per ASN: 10.49 LACNIC Region origin ASes announcing only one prefix: 2692 LACNIC Region transit ASes present in the Internet Routing Table: 2244 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 55 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8699 Number of LACNIC addresses announced to Internet: 176466944 Equivalent to 10 /8s, 132 /16s and 172 /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: 27927 Total AfriNIC prefixes after maximum aggregation: 5508 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 35824 Unique aggregates announced from the AfriNIC address blocks: 11541 AfriNIC Region origin ASes present in the Internet Routing Table: 1649 AfriNIC Prefixes per ASN: 21.72 AfriNIC Region origin ASes announcing only one prefix: 575 AfriNIC Region transit ASes present in the Internet Routing Table: 325 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 65 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 977 Number of AfriNIC addresses announced to Internet: 107706112 Equivalent to 6 /8s, 107 /16s and 119 /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 9265 8883 49 CHINAMOBILE-CN China Mobile Communicati 7545 5927 789 695 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4714 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3529 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3497 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3427 1880 56 VNPT-AS-VN VNPT Corp, VN 4766 2494 11125 600 KIXS-AS-KR Korea Telecom, KR 9498 2422 499 236 BBIL-AP BHARTI Airtel Ltd., IN 45090 2172 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2124 425 216 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 6703 10379 2680 AMAZON-02, US 11492 4507 299 675 CABLEONE, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 22773 3880 3146 354 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3470 1784 2506 AKAMAI-AS, US 6327 3437 1319 63 SHAW, CA 749 2991 50739 2249 DNIC-AS-00749, US 30036 2631 374 139 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2510 3343 359 GOOGLE-CLOUD-PLATFORM, US 209 2433 4953 416 CENTURYLINK-US-LEGACY-QWEST, 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 6884 1730 144 UNI2-AS, ES 9121 6725 1692 17 TTNET, TR 8551 4011 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 4001 3361 206 AKAMAI-ASN1, NL 12389 2943 2289 910 ROSTELECOM-AS, RU 6849 2718 355 21 UKRTELNET, UA 9009 2563 253 1328 M247, GB 34984 2245 358 634 TELLCOM-AS, TR 47331 2075 326 1591 TTNET, TR 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 10768 3403 549 Uninet S.A. de C.V., MX 10620 3472 514 773 Telmex Colombia S.A., CO 11830 2436 369 64 Instituto Costarricense de Electricidad 13999 1894 311 498 Mega Cable, S.A. de C.V., MX 28573 1376 2330 274 Claro NXT Telecomunicacoes Ltda, BR 6503 1303 343 523 Axtel, S.A.B. de C.V., MX 3816 1260 675 151 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1077 369 21 Telefonica del Peru S.A.A., PE 11664 1033 190 441 Techtel LMDS Comunicaciones Interactiva 26615 979 2466 43 TIM SA, BR 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 1611 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1317 1519 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 959 65 57 ORANGE-COTE-IVOIRE, CI 36935 777 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 518 52 37 WANANCHI-, KE 37342 463 32 1 MOVITEL, MZ 23889 412 232 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 10768 3403 549 Uninet S.A. de C.V., MX 9808 9265 8883 49 CHINAMOBILE-CN China Mobile Communicati 12479 6884 1730 144 UNI2-AS, ES 9121 6725 1692 17 TTNET, TR 16509 6703 10379 2680 AMAZON-02, US 7545 5927 789 695 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4714 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4507 299 675 CABLEONE, US 8551 4011 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA Complete listing at https://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9265 9216 CHINAMOBILE-CN China Mobile Communications Grou 12479 6884 6740 UNI2-AS, ES 9121 6725 6708 TTNET, TR 7545 5927 5232 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4714 4639 ERX-CERNET-BKB China Education and Research Net 16509 6703 4023 AMAZON-02, US 8551 4011 3972 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4507 3832 CABLEONE, US 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, 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 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, 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 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 Transit: 37204 TELONE, ZW 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 /11:100 /12:303 /13:593 /14:1207 /15:2058 /16:13529 /17:8329 /18:13889 /19:25109 /20:44440 /21:52205 /22:108759 /23:96700 /24:533951 /25:800 /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 5880 6725 TTNET, TR 12479 5862 6884 UNI2-AS, ES 8151 4492 10768 Uninet S.A. de C.V., MX 8551 3475 4011 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3414 4507 CABLEONE, US 6327 3247 3437 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2898 3880 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2576 2718 UKRTELNET, UA Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1932 2:1040 3:157 4:5 5:3800 6:109 7:6 8:1567 9:1 11:173 12:1646 13:336 14:2352 15:227 16:44 17:385 18:175 19:1 20:219 21:4 22:188 23:5737 24:2387 25:6 27:2612 29:19 31:2450 32:95 34:7 35:87 36:1801 37:4423 38:3176 39:712 40:152 41:3894 42:1121 43:2215 44:291 45:15927 46:4127 47:328 49:1698 50:1945 51:237 52:1456 54:386 55:844 56:8 57:59 58:1774 59:1164 60:963 61:2271 62:2510 63:1935 64:5545 65:2349 66:4872 67:2963 68:1189 69:4187 70:1327 71:680 72:3042 74:2633 75:1395 76:579 77:2222 78:3899 79:3133 80:1984 81:1762 82:1497 83:1211 84:1332 85:3691 86:714 87:1914 88:2778 89:3327 90:541 91:7610 92:2009 93:2546 94:3454 95:4755 96:1309 97:351 98:1004 99:751 100:76 101:1051 102:2093 103:29321 104:4482 105:467 106:873 107:2548 108:850 109:4277 110:1987 111:3329 112:2040 113:1534 114:1488 115:1996 116:1909 117:2559 118:2296 119:1827 120:1692 121:1077 122:2539 123:2094 124:1596 125:2115 128:1237 129:1068 130:985 131:2012 132:785 133:377 134:1940 135:278 136:889 137:867 138:2427 139:1526 140:895 141:1442 142:1305 143:1431 144:1202 145:347 146:1821 147:1516 148:2210 149:1725 150:860 151:1069 152:1852 153:459 154:3575 155:1444 156:1687 157:1260 158:1040 159:2225 160:2491 161:1288 162:3478 163:1283 164:1635 165:1616 166:756 167:1720 168:3803 169:882 170:4489 171:832 172:3224 173:3136 174:1021 175:1141 176:3543 177:4632 178:3535 179:2123 180:2295 181:3059 182:3253 183:1960 184:2344 185:19603 186:4319 187:3807 188:3965 189:3408 190:8954 191:1407 192:11005 193:8667 194:7070 195:4967 196:2942 197:2413 198:5996 199:6050 200:7561 201:5875 202:10489 203:10036 204:4536 205:3472 206:3722 207:3393 208:4020 209:4677 210:4359 211:2427 212:4047 213:3433 214:1146 215:66 216:6486 217:2632 218:1293 219:574 220:1992 221:971 222:827 223:2194 End of report

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