IPv6 R&E Routing Table Report   17:00 GMT Fri 28 Mar, 2025

  IPv6 BGP Table (R&E) as seen at GEANT.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/GEANT/

Analysis Summary
----------------

BGP routing table entries examined:                                6211
    Number of IPv6 prefixes with a valid ROA:                      1136
    Number of IPv6 prefixes with an invalid ROA:                      5
    Number of IPv6 prefixes with no ROA:                           5070
Total ASNs present in the IPv6 Routing Table:                      5143
    Average AS path length:                                         6.5
    Longest AS path:                                                 14
Total Origin ASNs present in the IPv6 Routing Table:               5102
Paths with bogon ASNs present in the IPv6 Routing Table:              3

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       /29:59      /30:18      /31:0       /32:4528    /33:37      
/34:19      /35:21      /36:48      /37:5       /38:17      /39:2       
/40:111     /41:6       /42:5       /43:2       /44:109     /45:16      
/46:12      /47:13      /48:1114    /49:8       /50:3       /51:0       
/52:3       /53:0       /54:0       /55:0       /56:2       /57:0       
/58:0       /59:0       /60:5       /61:0       /62:0       /63:2       
/64:33      

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

       ASN No of Nets  Description
      7497        167  CSTNET-AS-AP Computer Network Information Center of Chine
     55824         94  NKN-CORE-NW NKN Core Network, IN
     45773         63  HECPERN-AS-PK PERN AS Content Servie Provider, Islamabad,
      4758         59  NICNET-VSNL-BOARDER-AP National Informatics Centre, IN
     61468         34  CEDIA, EC
      8895         28  ISU Internet Services Unit ISU, SA
      3477         23  NOAA-NWAVE, US
     24363         17  CNGI-JNN-IX-AS-AP CERNET2 IX at Shandong University, CN
      4608         16  APNIC-SERVICES Asia Pacific Network Information Centre, A
      6262         16  CSIRO Commonwealth Scientific and Industrial, AU
       680         13  DFN Verein zur Foerderung eines Deutschen Forschungsnetze
       683         13  ARGONNE-AS, US
      2018         12  TENET-1, ZA
     12654         12  RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination
     17579         12  KREONET2-AS-KR KISTI, KR
       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

End of report