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 18:46 GMT Sat 23 Aug, 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: 228029 Number of IPv6 prefixes with a valid ROA: 142651 Number of IPv6 prefixes with an invalid ROA: 2744 Number of IPv6 prefixes with no ROA: 82634 Total ASNs present in the IPv6 Routing Table: 35357 Average AS path length: 5.1 Longest AS path: 34 Total Origin ASNs present in the IPv6 Routing Table: 35015 Paths with bogon ASNs present in the IPv6 Routing Table: 126 IPv6 Subnet Table ----------------- /16:1 /17:0 /18:0 /19:1 /20:13 /21:3 /22:6 /23:6 /24:38 /25:11 /26:21 /27:20 /28:156 /29:5149 /30:734 /31:338 /32:25834 /33:4872 /34:4886 /35:1839 /36:8848 /37:1341 /38:2324 /39:1761 /40:23097 /41:1495 /42:2806 /43:1311 /44:21230 /45:2958 /46:4974 /47:6789 /48:102609 /49:131 /50:1 /51:6 /52:50 /53:0 /54:0 /55:0 /56:52 /57:0 /58:3 /59:0 /60:5 /61:1 /62:0 /63:0 /64:892 Global IPv6 Per AS prefix count summary --------------------------------------- ASN No of Nets Description 9808 6873 CHINAMOBILE-CN China Mobile Communications Group Co., Ltd 16509 5311 AMAZON-02, US 7552 3973 VIETEL-AS-AP Viettel Group, VN 45609 3442 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Serv 13335 2826 CLOUDFLARENET, US 11172 2550 Alestra, S. de R.L. de C.V., MX 60539 2547 HUICAST_TELECOM, HK 39891 2136 ALJAWWALSTC-AS, SA 327687 2099 RENU, UG 24547 1733 CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Li 20115 1678 CHARTER-20115, US 36183 1648 AKAMAI-AS, US 28573 1576 Claro NXT Telecomunicacoes Ltda, BR 17622 1524 CNCGROUP-GZ China Unicom Guangzhou network, CN 56041 1515 CMNET-ZHEJIANG-AP China Mobile communications corporation 32098 1512 TRANSTELCO-INC, US 6167 1457 CELLCO-PART, US 56046 1416 CMNET-JIANGSU-AP China Mobile communications corporation, 12479 1406 UNI2-AS, ES 38266 1336 VIL-AS-AP Vodafone Idea Ltd, IN End of report