This is an automated weekly mailing describing the state of the IPv6 Research & Education Routing Table received by NSRC's collector from USP. 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 21:40 GMT Sat 20 Sep, 2025 IPv6 BGP Table (Global) as seen at USP. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/USP/ Analysis Summary ---------------- BGP routing table entries examined: 219167 Number of IPv6 prefixes with a valid ROA: 140318 Number of IPv6 prefixes with an invalid ROA: 32 Number of IPv6 prefixes with no ROA: 78817 Total ASNs present in the IPv6 Routing Table: 35232 Average AS path length: 5.5 Longest AS path: 46 Total Origin ASNs present in the IPv6 Routing Table: 34855 Paths with bogon ASNs present in the IPv6 Routing Table: 6 IPv6 Subnet Table ----------------- /16:0 /17:0 /18:0 /19:1 /20:13 /21:3 /22:6 /23:6 /24:38 /25:11 /26:19 /27:20 /28:155 /29:5153 /30:725 /31:342 /32:25663 /33:4074 /34:3811 /35:1496 /36:8150 /37:1130 /38:2422 /39:1705 /40:21104 /41:1474 /42:2761 /43:1259 /44:21095 /45:3379 /46:4940 /47:6816 /48:101395 /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 /64:0 Global IPv6 Per AS prefix count summary --------------------------------------- ASN No of Nets Description 9808 7015 CHINAMOBILE-CN China Mobile Communications Group Co., Ltd 16509 5423 AMAZON-02, US 7552 3975 VIETEL-AS-AP Viettel Group, VN 45609 3439 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Serv 11172 2645 Alestra, S. de R.L. de C.V., MX 13335 2615 CLOUDFLARENET, US 39891 2136 ALJAWWALSTC-AS, SA 24547 1733 CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Li 20115 1710 CHARTER-20115, US 36183 1642 AKAMAI-AS, US 28573 1564 Claro NXT Telecomunicacoes Ltda, BR 56041 1545 CMNET-ZHEJIANG-AP China Mobile communications corporation 32098 1539 TRANSTELCO-INC, US 17622 1521 CNCGROUP-GZ China Unicom Guangzhou network, CN 6167 1457 CELLCO-PART, US 22773 1454 ASN-CXA-ALL-CCI-22773-RDC, US 56046 1418 CMNET-JIANGSU-AP China Mobile communications corporation, 12479 1410 UNI2-AS, ES 38266 1362 VIL-AS-AP Vodafone Idea Ltd, IN 45271 1307 VIL-AS-AP Vodafone Idea Ltd, IN End of report