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

Thu Oct 19 22:21:23 UTC 2023

IPv6 R&E Routing Table Report   22:20 GMT Thu 19 Oct, 2023

  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:                                2231
    Number of IPv6 prefixes with a valid ROA:                       953
    Number of IPv6 prefixes with an invalid ROA:                    271
    Number of IPv6 prefixes with no ROA:                           1007
Total ASNs present in the IPv6 Routing Table:                       967
    Average AS path length:                                         3.4
    Longest AS path:                                                 15
Total Origin ASNs present in the IPv6 Routing Table:                924
Paths with bogon ASNs present in the IPv6 Routing Table:              0

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

/16:0       /17:0       /18:0       /19:0       /20:1       /21:1       
/22:0       /23:0       /24:2       /25:0       /26:0       /27:0       
/28:7       /29:60      /30:15      /31:1       /32:376     /33:28      
/34:6       /35:15      /36:41      /37:24      /38:11      /39:1       
/40:151     /41:6       /42:6       /43:2       /44:78      /45:13      
/46:11      /47:16      /48:1188    /49:2       /50:0       /51:0       
/52:0       /53:0       /54:0       /55:0       /56:5       /57:0       
/58:0       /59:1       /60:2       /61:0       /62:0       /63:3       
/64:60      

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

       ASN No of Nets  Description
       293        164  ESNET, US
      7497        154  CSTNET-AS-AP Computer Network Information Center of Chinese 
     55824         91  NKN-CORE-NW NKN Core Network, IN
    133111         60  CNT-NORTHCHINA CERNET New Technology Co., Ltd, CN
      4758         59  NICNET-VSNL-BOARDER-AP National Informatics Centre, IN
     16509         49  AMAZON-02, US
    327687         41  RENU, UG
     45090         37  TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Lim
     61468         32  CEDIA, EC
      3477         22  NOAA-NWAVE, US
     14618         16  AMAZON-AES, US
      2018         15  TENET-1, ZA
     24151         15  CNNIC-CRITICAL-AP China Internet Network Infomation Center, 
      4608         13  APNIC-SERVICES Asia Pacific Network Information Centre, AU
       680         11  DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e
      1916         11  Rede Nacional de Ensino e Pesquisa, BR
      5744         10  USPTO, US
      7575         10  AARNET-AS-AP Australian Academic and Research Network AARNet
       559          9  SWITCH Peering requests: peering at switch.ch, CH
      6262          9  CSIRO Commonwealth Scientific and Industrial, AU

End of report