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 16 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: 227817 Number of IPv6 prefixes with a valid ROA: 142189 Number of IPv6 prefixes with an invalid ROA: 2690 Number of IPv6 prefixes with no ROA: 82938 Total ASNs present in the IPv6 Routing Table: 35302 Average AS path length: 5.1 Longest AS path: 34 Total Origin ASNs present in the IPv6 Routing Table: 34956 Paths with bogon ASNs present in the IPv6 Routing Table: 120 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 /29:5158 /30:734 /31:338 /32:25834 /33:4864 /34:4851 /35:1820 /36:8810 /37:1316 /38:2312 /39:1764 /40:23052 /41:1497 /42:2795 /43:1309 /44:21183 /45:2945 /46:4977 /47:6789 /48:102638 /49:128 /50:1 /51:6 /52:47 /53:0 /54:0 /55:0 /56:52 /57:0 /58:3 /59:0 /60:5 /61:1 /62:0 /63:0 /64:890 Global IPv6 Per AS prefix count summary --------------------------------------- ASN No of Nets Description 9808 6872 CHINAMOBILE-CN China Mobile Communications Group Co., Ltd 16509 5265 AMAZON-02, US 7552 3973 VIETEL-AS-AP Viettel Group, VN 45609 3439 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Serv 13335 2839 CLOUDFLARENET, US 60539 2547 HUICAST_TELECOM, HK 11172 2522 Alestra, S. de R.L. de C.V., MX 39891 2135 ALJAWWALSTC-AS, SA 327687 2079 RENU, UG 24547 1733 CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Li 20115 1671 CHARTER-20115, US 36183 1640 AKAMAI-AS, US 28573 1576 Claro NXT Telecomunicacoes Ltda, BR 17622 1525 CNCGROUP-GZ China Unicom Guangzhou network, CN 32098 1515 TRANSTELCO-INC, US 56041 1515 CMNET-ZHEJIANG-AP China Mobile communications corporation 6167 1456 CELLCO-PART, US 56046 1416 CMNET-JIANGSU-AP China Mobile communications corporation, 12479 1394 UNI2-AS, ES 38266 1328 VIL-AS-AP Vodafone Idea Ltd, IN End of report