IPv6 R&E Routing Table Report 22:20 GMT Tue 10 Jan, 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: 6715 Number of IPv6 prefixes with a valid ROA: 1000 Number of IPv6 prefixes with an invalid ROA: 95 Number of IPv6 prefixes with no ROA: 5620 Total ASNs present in the IPv6 Routing Table: 5213 Average AS path length: 3.9 Longest AS path: 15 Total Origin ASNs present in the IPv6 Routing Table: 5177 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 /22:1 /23:0 /24:2 /25:0 /26:0 /27:0 /28:11 /29:52 /30:14 /31:3 /32:4547 /33:51 /34:12 /35:24 /36:55 /37:15 /38:11 /39:1 /40:156 /41:10 /42:14 /43:2 /44:130 /45:15 /46:36 /47:19 /48:1376 /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 /64:50 Global IPv6 Per AS prefix count summary --------------------------------------- ASN No of Nets Description 7497 153 CSTNET-AS-AP Computer Network Information Center, CN 293 148 ESNET, US 55824 92 NKN-CORE-NW NKN Core Network, IN 16509 81 AMAZON-02, US 45773 65 HECPERN-AS-PK PERN AS Content Servie Provider, Islamabad, Pa 4758 62 NICNET-VSNL-BOARDER-AP National Informatics Centre, IN 133111 61 CNT-NORTHCHINA CERNET New Technology Co., Ltd, CN 668 51 DNIC-AS-00668, US 45090 37 TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Lim 61468 34 CEDIA, EC 14618 28 AMAZON-AES, US 37963 25 ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN 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 327687 12 RENU, UG 559 11 SWITCH Peering requests: peering@switch.ch, CH 680 11 DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e 3477 11 NOAA-NWAVE, US End of report