This is an automated weekly mailing describing the state of the IPv6 Research & Education Routing Table received by NSRC's collector from ESnet. Daily listings are sent to ren-bgp-stats-all@lists.nsrc.org. For historical data, please see https://bgp.nsrc.org/REN. If you have any comments please contact Philip Smith . IPv6 R&E Routing Table Report 22:20 GMT Sat 07 May, 2022 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: 6609 Number of IPv6 prefixes with a valid ROA: 893 Number of IPv6 prefixes with an invalid ROA: 88 Number of IPv6 prefixes with no ROA: 5628 Total ASNs present in the IPv6 Routing Table: 5234 Total Origin ASNs present in the IPv6 Routing Table: 5198 IPv6 Subnet Table ----------------- /16:1 /17:0 /18:0 /19:0 /20:2 /21:1 /22:0 /23:0 /24:2 /25:0 /26:1 /27:1 /28:6 /29:52 /30:10 /31:2 /32:4567 /33:36 /34:15 /35:28 /36:53 /37:9 /38:11 /39:1 /40:198 /41:9 /42:14 /43:2 /44:137 /45:18 /46:8 /47:15 /48:1267 /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 /64:38 Global IPv6 Per AS prefix count summary --------------------------------------- ASN No of Nets Description 7497 155 CSTNET-AS-AP Computer Network Information Center, CN 293 135 ESNET, US 55824 77 NKN-CORE-NW NKN Core Network, IN 45773 69 HECPERN-AS-PK PERN AS Content Servie Provider, Islamabad, Pa 133111 64 CNT-NORTHCHINA CERNET New Technology Co., Ltd, CN 4758 59 NICNET-VSNL-BOARDER-AP National Informatics Centre, IN 134715 47 DRUKREN-MOIC-AS Ministry of Information & Communications Thi 45090 37 TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Lim 61468 33 CEDIA, EC 327687 22 RENU, UG 1916 17 Rede Nacional de Ensino e Pesquisa, BR 262156 16 Universidad Nacional de Rosario, AR 2018 15 TENET-1, ZA 36692 15 OPENDNS, US 31764 14 OAKLAND-USD-NET, US 4608 13 APNIC-SERVICES Asia Pacific Network Information Centre, AU 3477 12 NOAA-NWAVE, US 559 11 SWITCH Peering requests: peering@switch.ch, CH 24151 11 CNNIC-CRITICAL-AP China Internet Network Infomation Center, 47065 11 PEERING-RESEARCH-TESTBED-USC-UFMG-AS47065, US End of report