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 18 Oct, 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: 225000 Number of IPv6 prefixes with a valid ROA: 140738 Number of IPv6 prefixes with an invalid ROA: 2186 Number of IPv6 prefixes with no ROA: 82076 Total ASNs present in the IPv6 Routing Table: 35341 Average AS path length: 5.1 Longest AS path: 36 Total Origin ASNs present in the IPv6 Routing Table: 34987 Paths with bogon ASNs present in the IPv6 Routing Table: 136 IPv6 Subnet Table ----------------- /16:1 /17:0 /18:0 /19:1 /20:14 /21:3 /22:6 /23:6 /24:41 /25:11 /26:19 /27:19 /28:157 /29:5106 /30:798 /31:343 /32:25653 /33:4154 /34:3829 /35:1486 /36:8251 /37:1097 /38:2422 /39:1716 /40:23273 /41:1495 /42:2786 /43:1272 /44:21517 /45:3759 /46:4781 /47:6866 /48:101553 /49:166 /50:1 /51:4 /52:54 /53:0 /54:0 /55:0 /56:50 /57:0 /58:3 /59:0 /60:5 /61:1 /62:0 /63:0 /64:844 Global IPv6 Per AS prefix count summary --------------------------------------- ASN No of Nets Description 9808 7223 CHINAMOBILE-CN China Mobile Communications Group Co., Ltd 16509 5460 AMAZON-02, US 7552 3958 VIETEL-AS-AP Viettel Group, VN 45609 3457 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Serv 13335 2734 CLOUDFLARENET, US 11172 2707 Alestra, S. de R.L. de C.V., MX 60539 2549 HUICAST_TELECOM, HK 327687 2106 RENU, UG 39891 2104 ALJAWWALSTC-AS, SA 24547 1735 CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Li 56041 1719 CMNET-ZHEJIANG-AP China Mobile communications corporation 36183 1631 AKAMAI-AS, US 32098 1566 TRANSTELCO-INC, US 28573 1556 Claro NXT Telecomunicacoes Ltda, BR 17622 1517 CNCGROUP-GZ China Unicom Guangzhou network, CN 6167 1474 CELLCO-PART, US 12479 1424 UNI2-AS, ES 56046 1419 CMNET-JIANGSU-AP China Mobile communications corporation, 38266 1363 VIL-AS-AP Vodafone Idea Ltd, IN 17072 1350 TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX End of report