IPv6 R&E Routing Table Report 22:20 GMT Sat 27 Apr, 2024 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: 2198 Number of IPv6 prefixes with a valid ROA: 957 Number of IPv6 prefixes with an invalid ROA: 264 Number of IPv6 prefixes with no ROA: 977 Total ASNs present in the IPv6 Routing Table: 995 Average AS path length: 3.5 Longest AS path: 15 Total Origin ASNs present in the IPv6 Routing Table: 952 Paths with bogon ASNs present in the IPv6 Routing Table: 0 IPv6 Subnet Table ----------------- /16:0 /17:0 /18:0 /19:0 /20:1 /21:1 /22:0 /23:0 /24:2 /25:0 /26:0 /27:0 /28:7 /29:59 /30:16 /31:1 /32:384 /33:28 /34:10 /35:17 /36:49 /37:20 /38:11 /39:1 /40:155 /41:6 /42:6 /43:2 /44:90 /45:15 /46:12 /47:11 /48:1127 /49:0 /50:0 /51:0 /52:0 /53:0 /54:0 /55:0 /56:8 /57:0 /58:0 /59:1 /60:2 /61:0 /62:0 /63:3 /64:55 Global IPv6 Per AS prefix count summary --------------------------------------- ASN No of Nets Description 293 164 ESNET, US 7497 156 CSTNET-AS-AP Computer Network Information Center of Chinese 55824 90 NKN-CORE-NW NKN Core Network, IN 4758 59 NICNET-VSNL-BOARDER-AP National Informatics Centre, IN 133111 59 CNT-NORTHCHINA CERNET New Technology Co., Ltd, CN 45090 40 TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Lim 61468 32 CEDIA, EC 3477 22 NOAA-NWAVE, US 24151 19 CNNIC-CRITICAL-AP China Internet Network Infomation Center, 6262 16 CSIRO Commonwealth Scientific and Industrial, AU 683 15 ARGONNE-AS, US 2018 15 TENET-1, ZA 4608 13 APNIC-SERVICES Asia Pacific Network Information Centre, AU 680 11 DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e 5744 10 USPTO, US 237 9 MERIT-AS-14, US 559 9 SWITCH Peering requests: peering@switch.ch, CH 7575 9 AARNET-AS-AP Australian Academic and Research Network AARNet 8895 9 ISU Internet Services Unit ISU, SA 134715 9 GTA-AS-AP Government Technology Agency, BT End of report