This is an automated weekly mailing describing the state of the IPv6 Research & Education Routing Table received by NSRC's collector from RENU. 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 18:45 GMT Sat 19 Apr, 2025 IPv6 BGP Table (Global) as seen at RENU. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/RENU/ Analysis Summary ---------------- BGP routing table entries examined: 216263 Number of IPv6 prefixes with a valid ROA: 130935 Number of IPv6 prefixes with an invalid ROA: 2356 Number of IPv6 prefixes with no ROA: 82972 Total ASNs present in the IPv6 Routing Table: 34644 Average AS path length: 5.1 Longest AS path: 30 Total Origin ASNs present in the IPv6 Routing Table: 34313 Paths with bogon ASNs present in the IPv6 Routing Table: 123 IPv6 Subnet Table ----------------- /16:1 /17:0 /18:0 /19:1 /20:13 /21:3 /22:6 /23:6 /24:36 /25:11 /26:20 /27:19 /28:153 /29:5405 /30:738 /31:332 /32:25529 /33:4729 /34:4716 /35:1649 /36:8242 /37:1140 /38:2244 /39:1719 /40:20260 /41:1396 /42:2873 /43:1279 /44:19994 /45:2789 /46:4702 /47:6268 /48:97987 /49:0 /50:0 /51:1 /52:43 /53:0 /54:0 /55:0 /56:4 /57:0 /58:0 /59:0 /60:2 /61:1 /62:0 /63:1 /64:613 Global IPv6 Per AS prefix count summary --------------------------------------- ASN No of Nets Description 9808 5782 CHINAMOBILE-CN China Mobile Communications Group Co., Ltd 16509 5575 AMAZON-02, US 45609 3233 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Serv 7552 3179 VIETEL-AS-AP Viettel Group, VN 11172 2725 Alestra, S. de R.L. de C.V., MX 39891 2022 ALJAWWALSTC-AS, SA 327687 2005 RENU, UG 13335 1812 CLOUDFLARENET, US 24547 1731 CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Li 12479 1609 UNI2-AS, ES 28573 1581 Claro NXT Telecomunicacoes Ltda, BR 36183 1561 AKAMAI-AS, US 17622 1521 CNCGROUP-GZ China Unicom Guangzhou network, CN 56041 1499 CMNET-ZHEJIANG-AP China Mobile communications corporation 38266 1450 VIL-AS-AP Vodafone Idea Ltd, IN 45271 1448 VIL-AS-AP Vodafone Idea Ltd, IN 32098 1408 TRANSTELCO-INC, US 20115 1395 CHARTER-20115, US 6167 1295 CELLCO-PART, US 17072 1288 TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX End of report