This is an automated weekly mailing describing the state of the IPv6 Research & Education Routing Table received by NSRC's collector from TENET. 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 18:45 GMT Sat 12 Feb, 2022 IPv6 BGP Table (R&E) as seen at TENET. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/TENET/ Analysis Summary ---------------- BGP routing table entries examined: 6807 Number of IPv6 prefixes with a valid ROA: 1395 Number of IPv6 prefixes with an invalid ROA: 99 Number of IPv6 prefixes with no ROA: 5313 Total ASNs present in the IPv6 Routing Table: 4965 Total Origin ASNs present in the IPv6 Routing Table: 4935 IPv6 Subnet Table ----------------- /16:0 /17:0 /18:0 /19:0 /20:2 /21:1 /22:2 /23:0 /24:1 /25:0 /26:1 /27:1 /28:5 /29:9 /30:3 /31:2 /32:4463 /33:44 /34:18 /35:30 /36:76 /37:21 /38:38 /39:1 /40:167 /41:9 /42:10 /43:12 /44:129 /45:18 /46:244 /47:31 /48:1469 /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 16509 578 AMAZON-02, US 7497 154 CSTNET-AS-AP Computer Network Information Center, CN 14618 121 AMAZON-AES, US 55824 81 NKN-CORE-NW NKN Core Network, IN 45773 69 HECPERN-AS-PK PERN AS Content Servie Provider, Islamabad, Pa 133111 66 CNT-NORTHCHINA CERNET New Technology Co., Ltd, CN 4758 59 NICNET-VSNL-BOARDER-AP National Informatics Centre, IN 37963 52 ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN 45090 37 TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Lim 61468 33 CEDIA, EC 8987 20 AMAZON EXPANSION, IE 327687 18 RENU, UG 1916 17 Rede Nacional de Ensino e Pesquisa, BR 46047 16 POLSRI-AS-ID Politeknik Negeri Sriwijaya, ID 262156 16 Universidad Nacional de Rosario, AR 31764 14 OAKLAND-USD-NET, US 4608 13 APNIC-SERVICES Asia Pacific Network Information Centre, AU 24151 13 CNNIC-CRITICAL-AP China Internet Network Infomation Center, 19679 12 DROPBOX, US 3477 10 NOAA-NWAVE, US End of report