IPv6 R&E Routing Table Report 17:05 GMT Sun 14 Sep, 2025 IPv6 BGP Table (R&E) as seen at ASREN. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/ASREN/ Analysis Summary ---------------- BGP routing table entries examined: 1498 Number of IPv6 prefixes with a valid ROA: 881 Number of IPv6 prefixes with an invalid ROA: 0 Number of IPv6 prefixes with no ROA: 617 Total ASNs present in the IPv6 Routing Table: 757 Average AS path length: 4.4 Longest AS path: 10 Total Origin ASNs present in the IPv6 Routing Table: 719 Paths with bogon ASNs present in the IPv6 Routing Table: 0 IPv6 Subnet Table ----------------- /16:0 /17:0 /18:0 /19:0 /20:1 /21:0 /22:0 /23:0 /24:2 /25:0 /26:0 /27:0 /28:5 /29:55 /30:15 /31:0 /32:297 /33:24 /34:13 /35:14 /36:45 /37:3 /38:7 /39:2 /40:87 /41:3 /42:7 /43:1 /44:40 /45:12 /46:6 /47:11 /48:848 /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 7497 161 CSTNET-AS-AP Computer Network Information Center of Chine 55824 93 NKN-CORE-NW NKN Core Network, IN 4758 59 NICNET-VSNL-BOARDER-AP National Informatics Centre, IN 680 23 DFN Verein zur Foerderung eines Deutschen Forschungsnetze 271 19 BCNET-AS, CA 6262 17 CSIRO Commonwealth Scientific and Industrial, AU 4608 16 APNIC-SERVICES Asia Pacific Network Information Centre, A 46047 16 POLSRI-AS-ID Politeknik Negeri Sriwijaya, ID 61468 15 CEDIA, EC 683 13 ARGONNE-AS, US 63800 10 SERVER-G SERVER-G Group, JP 559 9 SWITCH Switch, Swiss Academic and Research Network, CH 3477 9 NOAA-NWAVE, US 5501 9 FRAUNHOFER-CLUSTER-BW Research Institutes spread all over 7575 9 AARNET-AS-AP Australian Academic and Research Network AAR 237 8 MERIT-AS-14, US 12654 8 RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination 30045 8 UHN-ASN, CA 376 7 RISQ-AS, CA 786 7 JANET Jisc Services Limited, GB End of report