IPv6 R&E Routing Table Report 22:05 GMT Sat 01 Jun, 2024 IPv6 BGP Table (R&E) as seen at CENIC. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/CENIC/ Analysis Summary ---------------- BGP routing table entries examined: 6304 Number of IPv6 prefixes with a valid ROA: 951 Number of IPv6 prefixes with an invalid ROA: 83 Number of IPv6 prefixes with no ROA: 5270 Total ASNs present in the IPv6 Routing Table: 5140 Average AS path length: 4.8 Longest AS path: 15 Total Origin ASNs present in the IPv6 Routing Table: 5096 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 /22:1 /23:0 /24:2 /25:0 /26:0 /27:0 /28:7 /29:57 /30:16 /31:1 /32:4548 /33:48 /34:10 /35:18 /36:49 /37:17 /38:13 /39:1 /40:157 /41:8 /42:9 /43:2 /44:86 /45:16 /46:19 /47:12 /48:1205 /49:0 /50:0 /51:0 /52:0 /53:0 /54:0 /55:0 /56:0 /57:0 /58:0 /59:0 /60:0 /61:0 /62:0 /63:0 /64:0 Global IPv6 Per AS prefix count summary --------------------------------------- ASN No of Nets Description 7497 156 CSTNET-AS-AP Computer Network Information Center of Chinese 55824 89 NKN-CORE-NW NKN Core Network, IN 4758 59 NICNET-VSNL-BOARDER-AP National Informatics Centre, IN 133111 58 CNT-NORTHCHINA CERNET New Technology Co., Ltd, CN 45090 39 TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Lim 61468 33 CEDIA, EC 37963 29 ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN 3477 23 NOAA-NWAVE, US 24151 19 CNNIC-CRITICAL-AP China Internet Network Infomation Center, 24423 18 FJGDWL No. 207 Hualin Road, Fuzhou, Fujian, China, CN 2152 17 CSUNET-NW, US 24363 17 CNGI-JNN-IX-AS-AP CERNET2 IX at Shandong University, CN 6262 16 CSIRO Commonwealth Scientific and Industrial, AU 683 13 ARGONNE-AS, US 2018 13 TENET-1, ZA 4608 13 APNIC-SERVICES Asia Pacific Network Information Centre, AU 680 12 DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e 5744 11 USPTO, US 19679 10 DROPBOX, US 559 9 SWITCH Peering requests: peering@switch.ch, CH End of report