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 02 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: 226371 Number of IPv6 prefixes with a valid ROA: 140614 Number of IPv6 prefixes with an invalid ROA: 2683 Number of IPv6 prefixes with no ROA: 83074 Total ASNs present in the IPv6 Routing Table: 35135 Average AS path length: 5.1 Longest AS path: 34 Total Origin ASNs present in the IPv6 Routing Table: 34787 Paths with bogon ASNs present in the IPv6 Routing Table: 114 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 /28:155 /29:5198 /30:738 /31:337 /32:25765 /33:4829 /34:4797 /35:1793 /36:8692 /37:1309 /38:2301 /39:1754 /40:23228 /41:1497 /42:2785 /43:1305 /44:20763 /45:2760 /46:4991 /47:6805 /48:102361 /49:0 /50:0 /51:1 /52:44 /53:0 /54:0 /55:0 /56:4 /57:0 /58:0 /59:0 /60:2 /61:1 /62:0 /63:1 /64:640 Global IPv6 Per AS prefix count summary --------------------------------------- ASN No of Nets Description 9808 6628 CHINAMOBILE-CN China Mobile Communications Group Co., Ltd 16509 5192 AMAZON-02, US 7552 3973 VIETEL-AS-AP Viettel Group, VN 45609 3376 BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Serv 13335 2844 CLOUDFLARENET, US 60539 2547 HUICAST_TELECOM, HK 11172 2477 Alestra, S. de R.L. de C.V., MX 39891 2135 ALJAWWALSTC-AS, SA 327687 2093 RENU, UG 24547 1733 CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Li 20115 1650 CHARTER-20115, US 36183 1649 AKAMAI-AS, US 28573 1578 Claro NXT Telecomunicacoes Ltda, BR 17622 1525 CNCGROUP-GZ China Unicom Guangzhou network, CN 56041 1515 CMNET-ZHEJIANG-AP China Mobile communications corporation 32098 1512 TRANSTELCO-INC, US 6167 1433 CELLCO-PART, US 56046 1413 CMNET-JIANGSU-AP China Mobile communications corporation, 12479 1395 UNI2-AS, ES 38266 1338 VIL-AS-AP Vodafone Idea Ltd, IN End of report