IPv6 R&E Routing Table Report   18:00 GMT Tue 02 Jun, 2026

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

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

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

BGP routing table entries examined:                                6251
    Number of IPv6 prefixes with a valid ROA:                      5567
    Number of IPv6 prefixes with an invalid ROA:                      1
    Number of IPv6 prefixes with no ROA:                            683
Total ASNs present in the IPv6 Routing Table:                      5158
    Average AS path length:                                         5.5
    Longest AS path:                                                 16
Total Origin ASNs present in the IPv6 Routing Table:               5115
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      /30:16      /31:1       /32:4509    /33:28      
/34:16      /35:16      /36:63      /37:13      /38:16      /39:1       
/40:113     /41:6       /42:10      /43:2       /44:71      /45:14      
/46:12      /47:14      /48:1246    /49:8       /50:0       /51:0       
/52:2       /53:0       /54:0       /55:0       /56:3       /57:0       
/58:0       /59:0       /60:3       /61:0       /62:0       /63:2       
/64:1       

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

       ASN No of Nets  Description
      7497        177  CSTNET-AS-AP - Computer Network Information Center of Chi
     30983         96  CNRST (Centre National pour la Recherche Scientifique et 
     55824         89  NKN-CORE-NW - NKN Core Network, IN
      4758         59  NICNET-VSNL-BOARDER-AP - National Informatics Centre, IN
     61468         30  AS61468 - CEDIA, EC
      3477         26  NOAA-NWAVE - National Oceanic and Atmospheric Administrat
       680         24  DFN - Verein zur Foerderung eines Deutschen Forschungsnet
       271         20  BCNET-AS - BCNET, CA
      6262         17  CSIRO - Commonwealth Scientific and Industrial, AU
     22644         17  TJUH - Thomas Jefferson University Hospitals, Inc., US
     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,
       683         10  ARGONNE-AS - Argonne National Laboratory, US
     63800         10  SERVER-G - SERVER-G Group, JP
       237          9  MERIT-AS-14 - Merit Network Inc., US
       559          9  Switch - SWITCH, CH
      7575          9  AARNET-AS-AP - Australian Academic and Research Network (
      8674          9  NETNOD-IX - Netnod AB, SE
         3          8  MIT-GATEWAYS - Massachusetts Institute of Technology, US

End of report