IPv6 R&E Routing Table Report 22:20 GMT Wed 12 Mar, 2025 IPv6 BGP Table (R&E) as seen at ESnet. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/ESnet/ Analysis Summary ---------------- BGP routing table entries examined: 2173 Number of IPv6 prefixes with a valid ROA: 1125 Number of IPv6 prefixes with an invalid ROA: 197 Number of IPv6 prefixes with no ROA: 851 Total ASNs present in the IPv6 Routing Table: 983 Average AS path length: 3.4 Longest AS path: 15 Total Origin ASNs present in the IPv6 Routing Table: 937 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 /28:6 /29:57 /30:18 /31:0 /32:388 /33:34 /34:18 /35:21 /36:64 /37:17 /38:14 /39:2 /40:115 /41:6 /42:5 /43:2 /44:113 /45:15 /46:11 /47:12 /48:1078 /49:0 /50:0 /51:0 /52:0 /53:0 /54:0 /55:0 /56:8 /57:2 /58:0 /59:1 /60:2 /61:0 /62:0 /63:3 /64:62 Global IPv6 Per AS prefix count summary --------------------------------------- ASN No of Nets Description 293 180 ESNET, US 7497 156 CSTNET-AS-AP Computer Network Information Center of Chine 55824 92 NKN-CORE-NW NKN Core Network, IN 45773 64 HECPERN-AS-PK PERN AS Content Servie Provider, Islamabad, 4758 59 NICNET-VSNL-BOARDER-AP National Informatics Centre, IN 61468 33 CEDIA, EC 3477 23 NOAA-NWAVE, US 2152 17 CENIC-2152, US 46047 17 POLSRI-AS-ID Politeknik Negeri Sriwijaya, ID 4608 16 APNIC-SERVICES Asia Pacific Network Information Centre, A 6262 16 CSIRO Commonwealth Scientific and Industrial, AU 683 15 ARGONNE-AS, US 24406 13 CNNIC-CRITICAL-AP China Internet Network Infomation Cente 680 12 DFN Verein zur Foerderung eines Deutschen Forschungsnetze 2018 12 TENET-1, ZA 8895 11 ISU Internet Services Unit ISU, SA 559 9 SWITCH Peering requests: peering@switch.ch, CH 134715 9 GTA-AS-AP Government Technology Agency, BT 394353 9 BROOT-AS, US 3 8 MIT-GATEWAYS, US End of report