IPv6 R&E Routing Table Report 22:20 GMT Wed 26 Oct, 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: 6370 Number of IPv6 prefixes with a valid ROA: 689 Number of IPv6 prefixes with an invalid ROA: 88 Number of IPv6 prefixes with no ROA: 5593 Total ASNs present in the IPv6 Routing Table: 5164 Average AS path length: 3.9 Longest AS path: 13 Total Origin ASNs present in the IPv6 Routing Table: 5127 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 /30:13 /31:3 /32:4558 /33:44 /34:10 /35:23 /36:64 /37:15 /38:11 /39:1 /40:130 /41:10 /42:15 /43:2 /44:133 /45:7 /46:22 /47:18 /48:1077 /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 /64:46 Global IPv6 Per AS prefix count summary --------------------------------------- ASN No of Nets Description 7497 153 CSTNET-AS-AP Computer Network Information Center, CN 293 142 ESNET, US 45773 70 HECPERN-AS-PK PERN AS Content Servie Provider, Islamabad, Pa 37963 63 ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN 133111 61 CNT-NORTHCHINA CERNET New Technology Co., Ltd, CN 45090 37 TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Lim 61468 33 CEDIA, EC 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 3477 12 NOAA-NWAVE, US 559 11 SWITCH Peering requests: peering@switch.ch, CH 680 11 DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e 38365 10 BAIDU Beijing Baidu Netcom Science and Technology Co., Ltd., 237 9 MERIT-AS-14, US 271 9 BCNET-AS, CA 786 9 JANET Jisc Services Limited, GB End of report