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 20 Sep, 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: 230612 Number of IPv6 prefixes with a valid ROA: 144297 Number of IPv6 prefixes with an invalid ROA: 2870 Number of IPv6 prefixes with no ROA: 83445 Total ASNs present in the IPv6 Routing Table: 35526 Average AS path length: 5.1 Longest AS path: 34 Total Origin ASNs present in the IPv6 Routing Table: 35163 Paths with bogon ASNs present in the IPv6 Routing Table: 116 IPv6 Subnet Table ----------------- /16:1 /17:0 /18:0 /19:1 /20:13 /21:3 /22:6 /23:6 /24:38 /25:11 /26:19 /27:20 /28:158 /29:5205 /30:733 /31:343 /32:25915 /33:4859 /34:4923 /35:1806 /36:8993 /37:1273 /38:2419 /39:1766 /40:23474 /41:1524 /42:2830 /43:1351 /44:21604 /45:3401 /46:4884 /47:6851 /48:103613 /49:137 /50:0 /51:6 /52:53 /53:0 /54:0 /55:0 /56:56 /57:0 /58:3 /59:0 /60:5 /61:1 /62:0 /63:0 /64:872 Global IPv6 Per AS prefix count summary --------------------------------------- ASN No of Nets Description 9808 7015 CHINAMOBILE-CN China Mobile Communications Group Co., Ltd 16509 5415 AMAZON-02, US 7552 3975 VIETEL-AS-AP Viettel Group, VN 45609 3439 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Serv 13335 2879 CLOUDFLARENET, US 11172 2645 Alestra, S. de R.L. de C.V., MX 39891 2136 ALJAWWALSTC-AS, SA 327687 2117 RENU, UG 60539 2035 HUICAST_TELECOM, HK 24547 1733 CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Li 20115 1710 CHARTER-20115, US 36183 1639 AKAMAI-AS, US 28573 1565 Claro NXT Telecomunicacoes Ltda, BR 56041 1545 CMNET-ZHEJIANG-AP China Mobile communications corporation 32098 1540 TRANSTELCO-INC, US 17622 1521 CNCGROUP-GZ China Unicom Guangzhou network, CN 6167 1457 CELLCO-PART, US 56046 1418 CMNET-JIANGSU-AP China Mobile communications corporation, 12479 1409 UNI2-AS, ES 38266 1362 VIL-AS-AP Vodafone Idea Ltd, IN End of report