IPv6 R&E Routing Table Report 22:20 GMT Thu 25 Aug, 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: 6645 Number of IPv6 prefixes with a valid ROA: 901 Number of IPv6 prefixes with an invalid ROA: 99 Number of IPv6 prefixes with no ROA: 5645 Total ASNs present in the IPv6 Routing Table: 5233 Average AS path length: 3.9 Longest AS path: 15 Total Origin ASNs present in the IPv6 Routing Table: 5196 Paths with bogon ASNs present in the IPv6 Routing Table: 0 IPv6 Subnet Table ----------------- /16:1 /17:0 /18:0 /19:0 /20:2 /21:1 /22:2 /23:0 /24:2 /25:0 /26:1 /27:1 /28:6 /29:48 /30:14 /31:3 /32:4589 /33:49 /34:11 /35:26 /36:68 /37:15 /38:11 /39:1 /40:160 /41:11 /42:15 /43:2 /44:139 /45:16 /46:21 /47:17 /48:1258 /49:2 /50:0 /51:0 /52:0 /53:0 /54:0 /55:0 /56:10 /57:0 /58:0 /59:1 /60:3 /61:0 /62:0 /63:2 /64:41 Global IPv6 Per AS prefix count summary --------------------------------------- ASN No of Nets Description 7497 156 CSTNET-AS-AP Computer Network Information Center, CN 293 140 ESNET, US 55824 94 NKN-CORE-NW NKN Core Network, IN 45773 69 HECPERN-AS-PK PERN AS Content Servie Provider, Islamabad, Pa 133111 63 CNT-NORTHCHINA CERNET New Technology Co., Ltd, CN 4758 62 NICNET-VSNL-BOARDER-AP National Informatics Centre, IN 37963 61 ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN 45090 37 TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Lim 61468 34 CEDIA, EC 262156 16 Universidad Nacional de Rosario, AR 24151 15 CNNIC-CRITICAL-AP China Internet Network Infomation Center, 36692 15 OPENDNS, US 2018 14 TENET-1, ZA 4608 13 APNIC-SERVICES Asia Pacific Network Information Centre, AU 16509 13 AMAZON-02, US 327687 13 RENU, UG 45 12 LLL-TIS-AS, US 3477 12 NOAA-NWAVE, US 559 11 SWITCH Peering requests: peering@switch.ch, CH 38365 11 BAIDU Beijing Baidu Netcom Science and Technology Co., Ltd., End of report