IPv6 R&E Routing Table Report 20:10 GMT Sat 30 May, 2026 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: 1628 Number of IPv6 prefixes with a valid ROA: 1082 Number of IPv6 prefixes with an invalid ROA: 10 Number of IPv6 prefixes with no ROA: 536 Total ASNs present in the IPv6 Routing Table: 866 Average AS path length: 4.9 Longest AS path: 15 Total Origin ASNs present in the IPv6 Routing Table: 820 Paths with bogon ASNs present in the IPv6 Routing Table: 1 IPv6 Subnet Table ----------------- /16:0 /17:0 /18:0 /19:0 /20:1 /21:0 /22:0 /23:0 /24:3 /25:0 /26:0 /27:0 /28:5 /29:52 /30:15 /31:1 /32:359 /33:25 /34:17 /35:17 /36:52 /37:11 /38:11 /39:0 /40:108 /41:6 /42:10 /43:2 /44:64 /45:16 /46:12 /47:11 /48:830 /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 55824 91 NKN-CORE-NW - NKN Core Network, IN 4758 64 NICNET-VSNL-BOARDER-AP - National Informatics Centre, IN 61468 30 AS61468 - CEDIA, EC 3477 26 NOAA-NWAVE - National Oceanic and Atmospheric Administrat 680 24 DFN - Verein zur Foerderung eines Deutschen Forschungsnet 271 20 BCNET-AS - BCNET, CA 2152 19 CENIC-2152 - CENIC, US 6262 17 CSIRO - Commonwealth Scientific and Industrial, AU 22644 17 TJUH - Thomas Jefferson University Hospitals, Inc., US 46047 17 POLSRI-AS-ID - Politeknik Negeri Sriwijaya, ID 4608 16 APNIC-SERVICES - Asia Pacific Network Information Centre, 2018 15 TENET (The UNINET Project) - TENET (The UNINET Project), 237 9 MERIT-AS-14 - Merit Network Inc., US 559 9 Switch - SWITCH, CH 7575 9 AARNET-AS-AP - Australian Academic and Research Network ( 3 8 MIT-GATEWAYS - Massachusetts Institute of Technology, US 24090 8 UNISAINS-AS-AP - Universiti Sains Malaysia (USM), MY 27947 8 AS27947 - Telconet S.A, EC 30045 8 UHN-ASN - University Health Network, CA 56132 8 MONASHUNI-AU-AS-AP - Monash University,, AU End of report