[REN-BGP-stats] Weekly Global IPv6 R&E Routing Table Report

[REN Routing Table Report]

This is an automated weekly mailing describing the state of the IPv6
Research & Education Routing Table received by NSRC's collector
from Internet2.

Daily listings are sent to ren-bgp-stats-all at lists.nsrc.org.

For historical data, please see https://bgp.nsrc.org/REN.

If you have any comments please contact Philip Smith <philip at nsrc.org>.

IPv6 R&E Routing Table Report   22:00 GMT Sat 14 Jun, 2025

  IPv6 BGP Table (R&E) as seen at Internet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/Internet2/

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

BGP routing table entries examined:                                7480
    Number of IPv6 prefixes with a valid ROA:                      2436
    Number of IPv6 prefixes with an invalid ROA:                      1
    Number of IPv6 prefixes with no ROA:                           5043
Total ASNs present in the IPv6 Routing Table:                      5173
    Average AS path length:                                         3.6
    Longest AS path:                                                 14
Total Origin ASNs present in the IPv6 Routing Table:               5131
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       /29:56      /30:18      /31:0       /32:4532    /33:34      
/34:20      /35:25      /36:103     /37:27      /38:49      /39:6       
/40:168     /41:8       /42:13      /43:14      /44:244     /45:16      
/46:283     /47:42      /48:1805    /49:8       /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
     16509        848  AMAZON-02, US
     14618        350  AMAZON-AES, US
      7497        164  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
      8987         37  AWS-GOVCLOUD AWS-GOVCLOUD, IE
     61468         34  CEDIA, EC
      3477         24  NOAA-NWAVE, US
       680         23  DFN Verein zur Foerderung eines Deutschen Forschungsnetze
       271         20  BCNET-AS, CA
      6262         17  CSIRO Commonwealth Scientific and Industrial, AU
     24363         17  CNGI-JNN-IX-AS-AP CERNET2 IX at Shandong University, CN
     46047         17  POLSRI-AS-ID Politeknik Negeri Sriwijaya, ID
      4608         16  APNIC-SERVICES Asia Pacific Network Information Centre, A
      2018         14  TENET-1, ZA
       683         13  ARGONNE-AS, US
     24406         13  CNNIC-CRITICAL-AP China Internet Network Infomation Cente
       237          9  MERIT-AS-14, US
       559          9  SWITCH Peering requests: peering at switch.ch, CH

End of report