This is an automated weekly mailing describing the state of the IPv6 Research & Education Routing Table received by NSRC's collector from AARNET (Seattle). 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 21:00 GMT Sat 06 May, 2023 IPv6 BGP Table (R&E) as seen at AARNET (Seattle). Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/AARNET-Seattle/ Analysis Summary ---------------- BGP routing table entries examined: 6232 Number of IPv6 prefixes with a valid ROA: 908 Number of IPv6 prefixes with an invalid ROA: 80 Number of IPv6 prefixes with no ROA: 5244 Total ASNs present in the IPv6 Routing Table: 5116 Average AS path length: 5.0 Longest AS path: 15 Total Origin ASNs present in the IPv6 Routing Table: 5084 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 /24:1 /25:0 /26:0 /27:0 /28:6 /29:57 /30:16 /31:3 /32:4513 /33:54 /34:14 /35:21 /36:39 /37:16 /38:12 /39:1 /40:139 /41:9 /42:8 /43:2 /44:117 /45:14 /46:8 /47:14 /48:1165 /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 154 CSTNET-AS-AP Computer Network Information Center, CN 55824 93 NKN-CORE-NW NKN Core Network, IN 45773 69 HECPERN-AS-PK PERN AS Content Servie Provider, Islamabad, Pa 133111 62 CNT-NORTHCHINA CERNET New Technology Co., Ltd, CN 4758 59 NICNET-VSNL-BOARDER-AP National Informatics Centre, IN 45090 37 TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Lim 61468 32 CEDIA, EC 37963 23 ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN 262156 16 Universidad Nacional de Rosario, AR 327687 16 RENU, UG 24151 15 CNNIC-CRITICAL-AP China Internet Network Infomation Center, 3477 14 NOAA-NWAVE, US 680 12 DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e 1916 11 Rede Nacional de Ensino e Pesquisa, BR 559 10 SWITCH Peering requests: peering@switch.ch, CH 58834 10 GCABLENET Guangdong Cable Corporation Limited, CN 134715 9 GTA-AS-AP Government Technology Agency, BT 3 8 MIT-GATEWAYS, US 271 8 BCNET-AS, CA 786 8 JANET Jisc Services Limited, GB End of report