This is an automated weekly mailing describing the state of the IPv6 Research & Education Routing Table received by NSRC's collector from BT London. Daily listings are sent to ren-bgp-stats-all@lists.nsrc.org. For historical data, please see https://bgp.nsrc.org/REN. If you have any comments please contact Philip Smith . IPv6 R&E Routing Table Report 23:03 GMT Sat 21 Jan, 2023 IPv6 BGP Table (Global) as seen at BT London. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/London/ Analysis Summary ---------------- BGP routing table entries examined: 160505 Number of IPv6 prefixes with a valid ROA: 71685 Number of IPv6 prefixes with an invalid ROA: 505 Number of IPv6 prefixes with no ROA: 88315 Total ASNs present in the IPv6 Routing Table: 29878 Average AS path length: 4.2 Longest AS path: 58 Total Origin ASNs present in the IPv6 Routing Table: 29569 Paths with bogon ASNs present in the IPv6 Routing Table: 30 IPv6 Subnet Table ----------------- /16:0 /17:0 /18:0 /19:1 /20:16 /21:3 /22:7 /23:8 /24:30 /25:8 /26:16 /27:20 /28:194 /29:4302 /30:649 /31:284 /32:22591 /33:2925 /34:2600 /35:1026 /36:6035 /37:986 /38:1617 /39:1380 /40:13416 /41:905 /42:2304 /43:1003 /44:14648 /45:1564 /46:3247 /47:3463 /48:75255 /49:0 /50:0 /51:0 /52:0 /53:0 /54:0 /55:0 /56:0 /57:0 /58:0 /59:0 /60:0 /61:0 /62:0 /63:0 /64:2 Global IPv6 Per AS prefix count summary --------------------------------------- ASN No of Nets Description 9808 4029 CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., 16509 2876 AMAZON-02, US 45609 2352 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service 17622 2293 CNCGROUP-GZ China Unicom Guangzhou network, CN 7552 2191 VIETEL-AS-AP Viettel Group, VN 11172 2021 Alestra, S. de R.L. de C.V., MX 45271 1847 ICLNET-AS-AP Idea Cellular Limited, IN 24547 1825 CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Limit 28573 1768 Claro NXT Telecomunicacoes Ltda, BR 12479 1631 UNI2-AS, ES 17623 1473 CNCGROUP-SZ China Unicom Shenzen network, CN 39891 1417 ALJAWWALSTC-AS, SA 22773 1339 ASN-CXA-ALL-CCI-22773-RDC, US 36183 1306 AKAMAI-AS, US 32098 1286 TRANSTELCO-INC, US 38266 1201 VODAFONE-IN Vodafone India Ltd., IN 13335 1131 CLOUDFLARENET, US 56046 1125 CMNET-JIANGSU-AP China Mobile communications corporation, CN 62240 1109 CLOUVIDER Clouvider - Global ASN, GB 17072 1085 TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX End of report