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 21 Jun, 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: 219902 Number of IPv6 prefixes with a valid ROA: 136775 Number of IPv6 prefixes with an invalid ROA: 33 Number of IPv6 prefixes with no ROA: 83094 Total ASNs present in the IPv6 Routing Table: 34812 Average AS path length: 5.3 Longest AS path: 68 Total Origin ASNs present in the IPv6 Routing Table: 34475 Paths with bogon ASNs present in the IPv6 Routing Table: 22 IPv6 Subnet Table ----------------- /16:1 /17:0 /18:0 /19:1 /20:13 /21:3 /22:6 /23:6 /24:36 /25:11 /26:17 /27:19 /28:154 /29:5202 /30:736 /31:329 /32:25706 /33:4781 /34:4744 /35:1700 /36:8368 /37:1224 /38:2289 /39:1747 /40:22815 /41:1455 /42:2854 /43:1276 /44:20573 /45:2744 /46:4899 /47:6634 /48:99558 /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 6668 CHINAMOBILE-CN China Mobile Communications Group Co., Ltd 16509 5055 AMAZON-02, US 7552 3964 VIETEL-AS-AP Viettel Group, VN 45609 3291 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Serv 13335 2569 CLOUDFLARENET, US 11172 2208 Alestra, S. de R.L. de C.V., MX 60539 2034 HUICAST_TELECOM, HK 39891 1834 ALJAWWALSTC-AS, SA 36183 1735 AKAMAI-AS, US 24547 1731 CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Li 12479 1600 UNI2-AS, ES 28573 1574 Claro NXT Telecomunicacoes Ltda, BR 20115 1551 CHARTER-20115, US 17622 1514 CNCGROUP-GZ China Unicom Guangzhou network, CN 56041 1500 CMNET-ZHEJIANG-AP China Mobile communications corporation 32098 1473 TRANSTELCO-INC, US 22773 1466 ASN-CXA-ALL-CCI-22773-RDC, US 38266 1415 VIL-AS-AP Vodafone Idea Ltd, IN 56046 1404 CMNET-JIANGSU-AP China Mobile communications corporation, 6167 1387 CELLCO-PART, US End of report