IPv6 R&E Routing Table Report   23:09 GMT Mon 21 Jul, 2025

  IPv6 BGP Table (Global) as seen at BT Singapore.

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

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

BGP routing table entries examined:                              219841
    Number of IPv6 prefixes with a valid ROA:                    137922
    Number of IPv6 prefixes with an invalid ROA:                   2887
    Number of IPv6 prefixes with no ROA:                          79032
Total ASNs present in the IPv6 Routing Table:                     34709
    Average AS path length:                                         4.8
    Longest AS path:                                                 34
Total Origin ASNs present in the IPv6 Routing Table:              34364
Paths with bogon ASNs present in the IPv6 Routing Table:              5

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

/16:0       /17:0       /18:0       /19:1       /20:12      /21:3       
/22:6       /23:6       /24:37      /25:11      /26:20      /27:20      
/28:152     /29:5086    /30:729     /31:330     /32:25501   /33:4045    
/34:3719    /35:1505    /36:7904    /37:1163    /38:2240    /39:1689    
/40:20893   /41:1421    /42:2713    /43:1240    /44:22176   /45:2757    
/46:5730    /47:8072    /48:100118  /49:3       /50:2       /51:1       
/52:4       /53:1       /54:0       /55:0       /56:110     /57:0       
/58:0       /59:0       /60:0       /61:0       /62:0       /63:0       
/64:412     

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

       ASN No of Nets  Description
      9808       6643  CHINAMOBILE-CN China Mobile Communications Group Co., Ltd
     16509       5177  AMAZON-02, US
      7552       3968  VIETEL-AS-AP Viettel Group, VN
     18403       3432  FPT-AS-AP FPT Telecom Company, VN
     45609       3431  BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Serv
     13335       2558  CLOUDFLARENET, US
     11172       2391  Alestra, S. de R.L. de C.V., MX
    135139       2049  SKYNTPL-AS-AP Skylink Fibernet Private Limited, IN
     39891       1904  ALJAWWALSTC-AS, SA
     24547       1731  CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Li
     36183       1640  AKAMAI-AS, US
     28573       1577  Claro NXT Telecomunicacoes Ltda, BR
     17622       1521  CNCGROUP-GZ China Unicom Guangzhou network, CN
     56041       1503  CMNET-ZHEJIANG-AP China Mobile communications corporation
     32098       1495  TRANSTELCO-INC, US
      6167       1425  CELLCO-PART, US
     56046       1411  CMNET-JIANGSU-AP China Mobile communications corporation,
     12479       1389  UNI2-AS, ES
     45271       1372  VIL-AS-AP Vodafone Idea Ltd, IN
     38266       1328  VIL-AS-AP Vodafone Idea Ltd, IN

End of report