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 27 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: 231702 Number of IPv6 prefixes with a valid ROA: 145160 Number of IPv6 prefixes with an invalid ROA: 2869 Number of IPv6 prefixes with no ROA: 83673 Total ASNs present in the IPv6 Routing Table: 35546 Average AS path length: 5.1 Longest AS path: 34 Total Origin ASNs present in the IPv6 Routing Table: 35187 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 /29:5188 /30:731 /31:347 /32:25928 /33:4866 /34:4941 /35:1806 /36:9022 /37:1273 /38:2453 /39:1771 /40:23481 /41:1542 /42:2836 /43:1371 /44:21668 /45:3655 /46:4834 /47:6821 /48:104298 /49:137 /50:0 /51:6 /52:52 /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 7210 CHINAMOBILE-CN China Mobile Communications Group Co., Ltd 16509 5421 AMAZON-02, US 7552 3959 VIETEL-AS-AP Viettel Group, VN 45609 3452 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Serv 13335 2894 CLOUDFLARENET, US 11172 2656 Alestra, S. de R.L. de C.V., MX 60539 2548 HUICAST_TELECOM, HK 327687 2136 RENU, UG 39891 2072 ALJAWWALSTC-AS, SA 24547 1733 CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Li 20115 1722 CHARTER-20115, US 36183 1641 AKAMAI-AS, US 28573 1568 Claro NXT Telecomunicacoes Ltda, BR 32098 1554 TRANSTELCO-INC, US 56041 1545 CMNET-ZHEJIANG-AP China Mobile communications corporation 17622 1517 CNCGROUP-GZ China Unicom Guangzhou network, CN 6167 1457 CELLCO-PART, US 12479 1419 UNI2-AS, ES 56046 1419 CMNET-JIANGSU-AP China Mobile communications corporation, 38266 1325 VIL-AS-AP Vodafone Idea Ltd, IN End of report