This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, MENOG, SAFNOG, SdNOG, BJNOG, CaribNOG and the RIPE Routing WG. Daily listings are sent to bgp-stats@lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith <pfsinoz@gmail.com>. Routing Table Report 04:00 +10GMT Sat 22 Apr, 2017 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 644184 Prefixes after maximum aggregation (per Origin AS): 250819 Deaggregation factor: 2.57 Unique aggregates announced (without unneeded subnets): 311163 Total ASes present in the Internet Routing Table: 56904 Prefixes per ASN: 11.32 Origin-only ASes present in the Internet Routing Table: 49231 Origin ASes announcing only one prefix: 21820 Transit ASes present in the Internet Routing Table: 7673 Transit-only ASes present in the Internet Routing Table: 223 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 40 Max AS path prepend of ASN ( 55644) 36 Prefixes from unregistered ASNs in the Routing Table: 70 Numnber of instances of unregistered ASNs: 74 Number of 32-bit ASNs allocated by the RIRs: 18233 Number of 32-bit ASNs visible in the Routing Table: 14162 Prefixes from 32-bit ASNs in the Routing Table: 57245 Number of bogon 32-bit ASNs visible in the Routing Table: 43 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 428 Number of addresses announced to Internet: 2842646404 Equivalent to 169 /8s, 111 /16s and 87 /24s Percentage of available address space announced: 76.8 Percentage of allocated address space announced: 76.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 98.5 Total number of prefixes smaller than registry allocations: 214966 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 175666 Total APNIC prefixes after maximum aggregation: 50405 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 174863 Unique aggregates announced from the APNIC address blocks: 72537 APNIC Region origin ASes present in the Internet Routing Table: 8009 APNIC Prefixes per ASN: 21.83 APNIC Region origin ASes announcing only one prefix: 2246 APNIC Region transit ASes present in the Internet Routing Table: 1130 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 40 Number of APNIC region 32-bit ASNs visible in the Routing Table: 2853 Number of APNIC addresses announced to Internet: 763064964 Equivalent to 45 /8s, 123 /16s and 114 /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, 131072-137529 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: 196425 Total ARIN prefixes after maximum aggregation: 93953 ARIN Deaggregation factor: 2.09 Prefixes being announced from the ARIN address blocks: 198589 Unique aggregates announced from the ARIN address blocks: 91184 ARIN Region origin ASes present in the Internet Routing Table: 17871 ARIN Prefixes per ASN: 11.11 ARIN Region origin ASes announcing only one prefix: 6632 ARIN Region transit ASes present in the Internet Routing Table: 1780 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 1916 Number of ARIN addresses announced to Internet: 1108155040 Equivalent to 66 /8s, 13 /16s and 26 /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, 393216-397212 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, 45/8, 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: 174487 Total RIPE prefixes after maximum aggregation: 84856 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 169999 Unique aggregates announced from the RIPE address blocks: 101819 RIPE Region origin ASes present in the Internet Routing Table: 23927 RIPE Prefixes per ASN: 7.10 RIPE Region origin ASes announcing only one prefix: 11042 RIPE Region transit ASes present in the Internet Routing Table: 3397 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 5758 Number of RIPE addresses announced to Internet: 711328384 Equivalent to 42 /8s, 102 /16s and 2 /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 196608-207259 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: 80518 Total LACNIC prefixes after maximum aggregation: 17806 LACNIC Deaggregation factor: 4.52 Prefixes being announced from the LACNIC address blocks: 81698 Unique aggregates announced from the LACNIC address blocks: 38300 LACNIC Region origin ASes present in the Internet Routing Table: 5812 LACNIC Prefixes per ASN: 14.06 LACNIC Region origin ASes announcing only one prefix: 1579 LACNIC Region transit ASes present in the Internet Routing Table: 1063 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 31 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 3326 Number of LACNIC addresses announced to Internet: 170427104 Equivalent to 10 /8s, 40 /16s and 130 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-266652 + 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: 16985 Total AfriNIC prefixes after maximum aggregation: 3743 AfriNIC Deaggregation factor: 4.54 Prefixes being announced from the AfriNIC address blocks: 18607 Unique aggregates announced from the AfriNIC address blocks: 6949 AfriNIC Region origin ASes present in the Internet Routing Table: 1038 AfriNIC Prefixes per ASN: 17.93 AfriNIC Region origin ASes announcing only one prefix: 321 AfriNIC Region transit ASes present in the Internet Routing Table: 209 Average AfriNIC Region AS path length visible: 4.7 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 309 Number of AfriNIC addresses announced to Internet: 89181696 Equivalent to 5 /8s, 80 /16s and 206 /24s AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 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 4538 5560 4190 74 ERX-CERNET-BKB China Education and Rese 7545 3774 391 268 TPG-INTERNET-AP TPG Telecom Limited, AU 17974 2931 901 78 TELKOMNET-AS2-AP PT Telekomunikasi Indo 4766 2809 11150 757 KIXS-AS-KR Korea Telecom, KR 9829 2731 1499 539 BSNL-NIB National Internet Backbone, IN 9808 2213 8698 33 CMNET-GD Guangdong Mobile Communication 4755 2077 421 221 TATACOMM-AS TATA Communications formerl 45899 2064 1380 110 VNPT-AS-VN VNPT Corp, VN 9583 1574 121 542 SIFY-AS-IN Sify Limited, IN 7552 1569 1101 55 VIETEL-AS-AP Viettel Corporation, VN Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 22773 3702 2969 153 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 6327 3346 1333 80 SHAW - Shaw Communications Inc., CA 18566 2185 405 109 MEGAPATH5-US - MegaPath Corporation, US 6389 2069 3671 39 BELLSOUTH-NET-BLK - BellSouth.net Inc., 20115 1989 2108 404 CHARTER-NET-HKY-NC - Charter Communicat 209 1793 5067 635 CENTURYLINK-US-LEGACY-QWEST - Qwest Com 16509 1760 3386 564 AMAZON-02 - Amazon.com, Inc., US 30036 1744 322 351 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom 6983 1692 854 231 ITCDELTA - Earthlink, Inc., US 701 1568 10579 642 UUNET - MCI Communications Services, In Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 39891 3334 171 18 ALJAWWALSTC-AS, SA 8551 3241 377 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 2935 1041 2082 AKAMAI-ASN1, US 9121 2708 1691 18 TTNET, TR 34984 2009 328 386 TELLCOM-AS, TR 13188 1631 99 56 TRIOLAN, UA 12479 1547 1044 52 UNI2-AS, ES 12389 1443 1316 589 ROSTELECOM-AS, RU 9198 1320 352 23 KAZTELECOM-AS, KZ 6849 1254 355 21 UKRTELNET, UA Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 10620 3546 547 139 Telmex Colombia S.A., CO 8151 2518 3396 556 Uninet S.A. de C.V., MX 11830 1820 369 57 Instituto Costarricense de Electricidad 7303 1558 1004 248 Telecom Argentina S.A., AR 6503 1540 437 53 Axtel, S.A.B. de C.V., MX 6147 1123 377 27 Telefonica del Peru S.A.A., PE 28573 1082 2294 180 CLARO S.A., BR 3816 1022 496 179 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 960 232 91 Techtel LMDS Comunicaciones Interactiva 11172 929 126 80 Alestra, S. de R.L. de C.V., MX Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1267 399 42 LINKdotNET-AS, EG 36903 715 359 128 MT-MPLS, MA 37611 703 67 6 Afrihost, ZA 36992 624 1375 26 ETISALAT-MISR, EG 24835 497 722 14 RAYA-AS, EG 8452 411 1730 17 TE-AS TE-AS, EG 37492 407 318 73 ORANGE-, TN 29571 367 36 10 CITelecom-AS, CI 15399 342 35 7 WANANCHI-, KE 2018 288 327 74 TENET-1, ZA Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 4538 5560 4190 74 ERX-CERNET-BKB China Education and Rese 7545 3774 391 268 TPG-INTERNET-AP TPG Telecom Limited, AU 22773 3702 2969 153 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 10620 3546 547 139 Telmex Colombia S.A., CO 6327 3346 1333 80 SHAW - Shaw Communications Inc., CA 39891 3334 171 18 ALJAWWALSTC-AS, SA 8551 3241 377 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 2935 1041 2082 AKAMAI-ASN1, US 17974 2931 901 78 TELKOMNET-AS2-AP PT Telekomunikasi Indo 4766 2809 11150 757 KIXS-AS-KR Korea Telecom, KR Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 22773 3702 3549 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7545 3774 3506 TPG-INTERNET-AP TPG Telecom Limited, AU 10620 3546 3407 Telmex Colombia S.A., CO 39891 3334 3316 ALJAWWALSTC-AS, SA 6327 3346 3266 SHAW - Shaw Communications Inc., CA 8551 3241 3200 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 17974 2931 2853 TELKOMNET-AS2-AP PT Telekomunikasi Indonesia, I 9121 2708 2690 TTNET, TR 9829 2731 2192 BSNL-NIB National Internet Backbone, IN 9808 2213 2180 CMNET-GD Guangdong Mobile Communication Co.Ltd. Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 65001 PRIVATE 5.143.176.0/20 15468 KLGELECS-AS 38, Teatralnaya st 65602 UNALLOCATED 8.225.192.0/24 30372 SUNESYS2 - Sunesys, LLC, US 65001 PRIVATE 31.172.192.0/20 15468 KLGELECS-AS 38, Teatralnaya st 65001 PRIVATE 31.172.192.0/21 15468 KLGELECS-AS 38, Teatralnaya st 65001 PRIVATE 31.172.200.0/21 15468 KLGELECS-AS 38, Teatralnaya st 65001 PRIVATE 31.172.208.0/21 15468 KLGELECS-AS 38, Teatralnaya st 65001 PRIVATE 31.172.216.0/21 15468 KLGELECS-AS 38, Teatralnaya st 65000 PRIVATE 31.219.177.0/25 8966 ETISALAT-AS P.O. Box 1150, Dub 65000 PRIVATE 31.219.177.128/25 8966 ETISALAT-AS P.O. Box 1150, Dub 65001 PRIVATE 46.237.32.0/20 13118 ASN-YARTELECOM PJSC Rostelecom Complete listing at http://thyme.rand.apnic.net/current/data-badAS Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 23.160.128.0/24 64267 -Reserved AS-, ZZ, US 23.161.128.0/17 393899 -Reserved AS-, ZZ 27.100.7.0/24 56096 UNKNOWN 41.76.232.0/21 203496 AB-TELECOM, RU 41.77.248.0/21 203496 AB-TELECOM, RU 41.78.12.0/23 203496 AB-TELECOM, RU 41.78.180.0/23 37265 -Reserved AS-, ZZ 41.242.132.0/23 203496 AB-TELECOM, RU 43.224.140.0/24 38197 SUNHK-DATA-AS-AP Sun Network (Hong Kong) Limited - 43.224.141.0/24 38197 SUNHK-DATA-AS-AP Sun Network (Hong Kong) Limited - Complete listing at http://thyme.rand.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 /8:15 /9:13 /10:36 /11:103 /12:280 /13:544 /14:1046 /15:1835 /16:13441 /17:7587 /18:13429 /19:24714 /20:38393 /21:41359 /22:76175 /23:63205 /24:360596 /25:558 /26:413 /27:325 /28:41 /29:24 /30:24 /31:1 /32:27 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 6327 3141 3346 SHAW - Shaw Communications Inc., CA 39891 2896 3334 ALJAWWALSTC-AS, SA 22773 2866 3702 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 8551 2702 3241 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 18566 2078 2185 MEGAPATH5-US - MegaPath Corporation, US 9121 1925 2708 TTNET, TR 30036 1547 1744 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi 10620 1462 3546 Telmex Colombia S.A., CO 6389 1375 2069 BELLSOUTH-NET-BLK - BellSouth.net Inc., US 13188 1362 1631 TRIOLAN, UA Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1609 2:817 4:26 5:2423 6:34 8:1066 12:1828 13:109 14:1794 15:23 16:2 17:116 18:126 19:1 20:56 23:2217 24:1878 25:2 27:2386 31:1896 32:89 33:5 35:20 36:391 37:2574 38:1347 39:45 40:99 41:3029 42:474 43:1914 44:71 45:2544 46:2751 47:119 49:1187 50:971 51:18 52:804 54:358 55:5 56:4 57:41 58:1611 59:1024 60:385 61:1893 62:1543 63:1919 64:4589 65:2214 66:4552 67:2246 68:1199 69:3335 70:1305 71:568 72:2156 74:2640 75:392 76:428 77:1486 78:1656 79:2068 80:1371 81:1410 82:989 83:731 84:875 85:1812 86:484 87:1154 88:838 89:2059 90:169 91:6145 92:1023 93:2392 94:2322 95:2856 96:597 97:359 98:953 99:89 100:156 101:1261 103:14371 104:2842 105:197 106:499 107:1581 108:811 109:3401 110:1338 111:1735 112:1172 113:1292 114:1041 115:1812 116:1782 117:1701 118:2147 119:1582 120:978 121:1097 122:2226 123:1811 124:1539 125:1840 128:749 129:624 130:449 131:1400 132:516 133:191 134:621 135:219 136:519 137:436 138:1900 139:448 140:380 141:538 142:737 143:950 144:774 145:170 146:1037 147:661 148:1404 149:564 150:712 151:948 152:756 153:301 154:801 155:741 156:576 157:616 158:447 159:1460 160:573 161:748 162:2471 163:523 164:791 165:1176 166:388 167:1235 168:2609 169:783 170:3075 171:297 172:998 173:1844 174:812 175:732 176:1834 177:4005 178:2484 179:1116 180:2170 181:1809 182:2311 183:981 184:859 185:9412 186:3159 187:2206 188:2612 189:1794 190:8070 191:1285 192:9368 193:5790 194:4642 195:3848 196:2055 197:1243 198:5517 199:5868 200:7361 201:4128 202:10266 203:9856 204:4481 205:2747 206:2999 207:3125 208:4006 209:3956 210:3981 211:2128 212:2818 213:2486 214:862 215:66 216:5874 217:2067 218:829 219:604 220:1657 221:906 222:762 223:1175 End of report