[REN-BGP-stats-all] IPv6 R&E Routing Table Report - ESnet (R&E) view

Thu May 15 22:21:19 UTC 2025

IPv6 R&E Routing Table Report   22:20 GMT Thu 15 May, 2025

  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:                                2200
    Number of IPv6 prefixes with a valid ROA:                      1144
    Number of IPv6 prefixes with an invalid ROA:                    200
    Number of IPv6 prefixes with no ROA:                            856
Total ASNs present in the IPv6 Routing Table:                       982
    Average AS path length:                                         3.5
    Longest AS path:                                                 15
Total Origin ASNs present in the IPv6 Routing Table:                926
Paths with bogon ASNs present in the IPv6 Routing Table:              0

IPv6 Subnet Table
-----------------

/16:0       /17:0       /18:0       /19:0       /20:1       /21:0       
/22:0       /23:0       /24:2       /25:0       /26:0       /27:0       
/28:6       /29:55      /30:18      /31:0       /32:385     /33:36      
/34:14      /35:20      /36:61      /37:17      /38:14      /39:2       
/40:112     /41:6       /42:6       /43:2       /44:111     /45:15      
/46:11      /47:12      /48:1118    /49:0       /50:0       /51:0       
/52:0       /53:0       /54:0       /55:0       /56:9       /57:2       
/58:0       /59:1       /60:2       /61:0       /62:0       /63:3       
/64:64      

Global IPv6 Per AS prefix count summary
---------------------------------------

       ASN No of Nets  Description
       293        182  ESNET, US
      7497        159  CSTNET-AS-AP Computer Network Information Center of Chine
     55824         93  NKN-CORE-NW NKN Core Network, IN
     45773         62  HECPERN-AS-PK PERN AS Content Servie Provider, Islamabad,
      4758         59  NICNET-VSNL-BOARDER-AP National Informatics Centre, IN
     61468         35  CEDIA, EC
      3477         23  NOAA-NWAVE, US
     47065         20  PEERING-RESEARCH-TESTBED-USC-UFMG-AS47065, US
     61574         20  UNIVERSIDADE FEDERAL DE MINAS GERAIS, BR
      2152         18  CENIC-2152, US
     46047         17  POLSRI-AS-ID Politeknik Negeri Sriwijaya, ID
      4608         16  APNIC-SERVICES Asia Pacific Network Information Centre, A
      6262         16  CSIRO Commonwealth Scientific and Industrial, AU
       683         15  ARGONNE-AS, US
       680         12  DFN Verein zur Foerderung eines Deutschen Forschungsnetze
      2018         12  TENET-1, ZA
     24406         12  CNNIC-CRITICAL-AP China Internet Network Infomation Cente
      8895         11  ISU Internet Services Unit ISU, SA
       271          9  BCNET-AS, CA
       559          9  SWITCH Peering requests: peering at switch.ch, CH

End of report