IPv6 R&E Routing Table Report 17:05 GMT Sun 30 Nov, 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: 5498 Number of IPv6 prefixes with a valid ROA: 871 Number of IPv6 prefixes with an invalid ROA: 0 Number of IPv6 prefixes with no ROA: 4627 Total ASNs present in the IPv6 Routing Table: 4794 Average AS path length: 5.6 Longest AS path: 13 Total Origin ASNs present in the IPv6 Routing Table: 4756 Paths with bogon ASNs present in the IPv6 Routing Table: 0 IPv6 Subnet Table ----------------- /16:0 /17:0 /18:0 /19:0 /20:0 /21:0 /22:0 /23:0 /24:2 /25:0 /26:0 /27:0 /28:3 /29:53 /30:15 /31:0 /32:4374 /33:23 /34:11 /35:13 /36:41 /37:5 /38:9 /39:1 /40:84 /41:4 /42:8 /43:1 /44:43 /45:10 /46:4 /47:7 /48:787 /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 159 CSTNET-AS-AP Computer Network Information Center of Chine 55824 92 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 18 BCNET-AS, CA 6262 17 CSIRO Commonwealth Scientific and Industrial, AU 24363 17 CNGI-JNN-IX-AS-AP CERNET2 IX at Shandong University, CN 4608 16 APNIC-SERVICES Asia Pacific Network Information Centre, A 46047 16 POLSRI-AS-ID Politeknik Negeri Sriwijaya, ID 3477 15 NOAA-NWAVE, US 683 13 ARGONNE-AS, US 63800 10 SERVER-G SERVER-G Group, JP 559 9 SWITCH Switch, Swiss Academic and Research Network, CH 7575 9 AARNET-AS-AP Australian Academic and Research Network AAR 12654 8 RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination 30045 8 UHN-ASN, CA 27 7 UMDNET, US 786 7 JANET Jisc Services Limited, GB 2611 7 BELNET, BE 5744 7 USPTO, US End of report