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 13 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: 229478 Number of IPv6 prefixes with a valid ROA: 144178 Number of IPv6 prefixes with an invalid ROA: 2307 Number of IPv6 prefixes with no ROA: 82993 Total ASNs present in the IPv6 Routing Table: 35476 Average AS path length: 5.1 Longest AS path: 35 Total Origin ASNs present in the IPv6 Routing Table: 35123 Paths with bogon ASNs present in the IPv6 Routing Table: 124 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 /28:157 /29:5183 /30:734 /31:342 /32:25904 /33:4878 /34:4923 /35:1818 /36:8904 /37:1312 /38:2353 /39:1762 /40:23332 /41:1525 /42:2818 /43:1345 /44:21422 /45:3173 /46:4878 /47:6801 /48:103196 /49:136 /50:0 /51:6 /52:52 /53:0 /54:0 /55:0 /56:57 /57:0 /58:3 /59:0 /60:5 /61:1 /62:0 /63:0 /64:874 Global IPv6 Per AS prefix count summary --------------------------------------- ASN No of Nets Description 9808 7055 CHINAMOBILE-CN China Mobile Communications Group Co., Ltd 16509 5397 AMAZON-02, US 7552 3973 VIETEL-AS-AP Viettel Group, VN 45609 3425 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Serv 13335 2878 CLOUDFLARENET, US 11172 2634 Alestra, S. de R.L. de C.V., MX 327687 2137 RENU, UG 39891 2136 ALJAWWALSTC-AS, SA 60539 2035 HUICAST_TELECOM, HK 24547 1733 CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Li 20115 1701 CHARTER-20115, US 36183 1646 AKAMAI-AS, US 28573 1560 Claro NXT Telecomunicacoes Ltda, BR 56041 1545 CMNET-ZHEJIANG-AP China Mobile communications corporation 32098 1539 TRANSTELCO-INC, US 17622 1525 CNCGROUP-GZ China Unicom Guangzhou network, CN 6167 1454 CELLCO-PART, US 56046 1417 CMNET-JIANGSU-AP China Mobile communications corporation, 12479 1410 UNI2-AS, ES 38266 1360 VIL-AS-AP Vodafone Idea Ltd, IN End of report