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

Tue Apr 30 22:08:20 UTC 2024

IPv6 R&E Routing Table Report   22:05 GMT Tue 30 Apr, 2024

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

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

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

BGP routing table entries examined:                                6288
    Number of IPv6 prefixes with a valid ROA:                       959
    Number of IPv6 prefixes with an invalid ROA:                     85
    Number of IPv6 prefixes with no ROA:                           5244
Total ASNs present in the IPv6 Routing Table:                      5136
    Average AS path length:                                         4.8
    Longest AS path:                                                 15
Total Origin ASNs present in the IPv6 Routing Table:               5093
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       
/22:1       /23:0       /24:2       /25:0       /26:0       /27:0       
/28:7       /29:58      /30:16      /31:1       /32:4552    /33:48      
/34:10      /35:19      /36:49      /37:13      /38:13      /39:1       
/40:158     /41:8       /42:9       /43:2       /44:89      /45:16      
/46:13      /47:13      /48:1188    /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
      7497        157  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
     45090         39  TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Lim
     61468         32  CEDIA, EC
     37963         29  ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN
      3477         22  NOAA-NWAVE, US
     24151         19  CNNIC-CRITICAL-AP China Internet Network Infomation Center, 
      2152         16  CSUNET-NW, US
      6262         16  CSIRO Commonwealth Scientific and Industrial, AU
     24363         16  CNGI-JNN-IX-AS-AP CERNET2 IX at Shandong University, CN
      2018         15  TENET-1, ZA
       683         13  ARGONNE-AS, US
      4608         13  APNIC-SERVICES Asia Pacific Network Information Centre, AU
       680         11  DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e
      5744         10  USPTO, US
     19679         10  DROPBOX, US
     24406         10  CNNIC-CRITICAL-AP China Internet Network Infomation Center, 
       559          9  SWITCH Peering requests: peering at switch.ch, CH

End of report