IPv6 R&E Routing Table Report 22:20 GMT Sun 19 Feb, 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: 6522 Number of IPv6 prefixes with a valid ROA: 1008 Number of IPv6 prefixes with an invalid ROA: 8 Number of IPv6 prefixes with no ROA: 5506 Total ASNs present in the IPv6 Routing Table: 5217 Average AS path length: 5.2 Longest AS path: 15 Total Origin ASNs present in the IPv6 Routing Table: 5176 Paths with bogon ASNs present in the IPv6 Routing Table: 0 IPv6 Subnet Table ----------------- /16:0 /17:0 /18:0 /19:0 /20:2 /21:1 /22:0 /23:0 /24:2 /25:0 /26:0 /27:0 /28:11 /29:51 /30:15 /31:3 /32:4542 /33:38 /34:10 /35:25 /36:55 /37:9 /38:11 /39:1 /40:131 /41:9 /42:13 /43:2 /44:97 /45:15 /46:37 /47:19 /48:1266 /49:2 /50:0 /51:0 /52:0 /53:0 /54:0 /55:0 /56:4 /57:0 /58:0 /59:1 /60:0 /61:0 /62:0 /63:2 /64:53 Global IPv6 Per AS prefix count summary --------------------------------------- ASN No of Nets Description 7497 153 CSTNET-AS-AP Computer Network Information Center, CN 293 151 ESNET, US 55824 94 NKN-CORE-NW NKN Core Network, IN 16509 81 AMAZON-02, US 4758 59 NICNET-VSNL-BOARDER-AP National Informatics Centre, IN 45090 37 TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Lim 61468 32 CEDIA, EC 14618 28 AMAZON-AES, US 45773 21 HECPERN-AS-PK PERN AS Content Servie Provider, Islamabad, Pa 262156 16 Universidad Nacional de Rosario, AR 2018 15 TENET-1, ZA 36692 15 OPENDNS, US 4608 13 APNIC-SERVICES Asia Pacific Network Information Centre, AU 3477 12 NOAA-NWAVE, US 327687 12 RENU, UG 559 11 SWITCH Peering requests: peering@switch.ch, CH 680 11 DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e 47065 10 PEERING-RESEARCH-TESTBED-USC-UFMG-AS47065, US 58834 10 GCABLENET Guangdong Cable Corporation Limited, CN 6262 9 CSIRO Commonwealth Scientific and Industrial, AU End of report