IPv6 R&E Routing Table Report 20:10 GMT Sat 19 Apr, 2025 IPv6 BGP Table (R&E) as seen at CERNET. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/CERNET/ Analysis Summary ---------------- BGP routing table entries examined: 1724 Number of IPv6 prefixes with a valid ROA: 1061 Number of IPv6 prefixes with an invalid ROA: 9 Number of IPv6 prefixes with no ROA: 654 Total ASNs present in the IPv6 Routing Table: 907 Average AS path length: 4.9 Longest AS path: 16 Total Origin ASNs present in the IPv6 Routing Table: 866 Paths with bogon ASNs present in the IPv6 Routing Table: 2 IPv6 Subnet Table ----------------- /16:0 /17:0 /18:0 /19:0 /20:1 /21:0 /22:0 /23:0 /24:2 /25:0 /26:0 /27:0 /28:5 /29:54 /30:16 /31:0 /32:379 /33:33 /34:18 /35:11 /36:63 /37:4 /38:16 /39:2 /40:111 /41:6 /42:6 /43:2 /44:111 /45:17 /46:11 /47:12 /48:841 /49:0 /50:0 /51:0 /52:1 /53:0 /54:0 /55:0 /56:0 /57:0 /58:0 /59:0 /60:2 /61:0 /62:0 /63:0 /64:0 Global IPv6 Per AS prefix count summary --------------------------------------- ASN No of Nets Description 55824 95 NKN-CORE-NW NKN Core Network, IN 4758 64 NICNET-VSNL-BOARDER-AP National Informatics Centre, IN 45773 64 HECPERN-AS-PK PERN AS Content Servie Provider, Islamabad, 61468 32 CEDIA, EC 3477 23 NOAA-NWAVE, US 680 22 DFN Verein zur Foerderung eines Deutschen Forschungsnetze 2152 18 CENIC-2152, US 46047 17 POLSRI-AS-ID Politeknik Negeri Sriwijaya, ID 6262 16 CSIRO Commonwealth Scientific and Industrial, AU 683 12 ARGONNE-AS, US 2018 12 TENET-1, ZA 271 9 BCNET-AS, CA 559 9 SWITCH Peering requests: peering@switch.ch, CH 5501 9 FRAUNHOFER-CLUSTER-BW Research Institutes spread all over 7575 9 AARNET-AS-AP Australian Academic and Research Network AAR 134715 9 GTA-AS-AP Government Technology Agency, BT 3 8 MIT-GATEWAYS, US 237 8 MERIT-AS-14, US 30045 8 UHN-ASN, CA 376 7 RISQ-AS, CA End of report