IPv6 R&E Routing Table Report 22:20 GMT Thu 09 Nov, 2023 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: 2106 Number of IPv6 prefixes with a valid ROA: 922 Number of IPv6 prefixes with an invalid ROA: 194 Number of IPv6 prefixes with no ROA: 990 Total ASNs present in the IPv6 Routing Table: 984 Average AS path length: 3.5 Longest AS path: 15 Total Origin ASNs present in the IPv6 Routing Table: 938 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 /29:60 /30:16 /31:1 /32:384 /33:32 /34:10 /35:16 /36:43 /37:24 /38:11 /39:1 /40:128 /41:6 /42:6 /43:2 /44:81 /45:15 /46:11 /47:13 /48:1063 /49:2 /50:0 /51:0 /52:0 /53:0 /54:0 /55:0 /56:5 /57:0 /58:0 /59:0 /60:2 /61:0 /62:0 /63:3 /64:62 Global IPv6 Per AS prefix count summary --------------------------------------- ASN No of Nets Description 293 166 ESNET, US 7497 155 CSTNET-AS-AP Computer Network Information Center of Chinese 55824 93 NKN-CORE-NW NKN Core Network, IN 4758 59 NICNET-VSNL-BOARDER-AP National Informatics Centre, IN 327687 43 RENU, UG 45090 36 TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Lim 61468 32 CEDIA, EC 3477 21 NOAA-NWAVE, US 6262 16 CSIRO Commonwealth Scientific and Industrial, AU 2018 15 TENET-1, ZA 4608 14 APNIC-SERVICES Asia Pacific Network Information Centre, AU 680 11 DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e 5744 10 USPTO, 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 3 8 MIT-GATEWAYS, US 237 8 MERIT-AS-14, US 30045 8 UHN-ASN, CA End of report