IPv6 R&E Routing Table Report   23:08 GMT Thu 18 Sep, 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:                              222481
    Number of IPv6 prefixes with a valid ROA:                    142565
    Number of IPv6 prefixes with an invalid ROA:                   1361
    Number of IPv6 prefixes with no ROA:                          78555
Total ASNs present in the IPv6 Routing Table:                     35153
    Average AS path length:                                         4.8
    Longest AS path:                                                 34
Total Origin ASNs present in the IPv6 Routing Table:              34784
Paths with bogon ASNs present in the IPv6 Routing Table:              6

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

/16:0       /17:0       /18:0       /19:1       /20:12      /21:3       
/22:6       /23:6       /24:38      /25:11      /26:19      /27:20      
/28:156     /29:5119    /30:725     /31:342     /32:25570   /33:4069    
/34:3836    /35:1520    /36:8236    /37:1155    /38:2380    /39:1704    
/40:21299   /41:1478    /42:2760    /43:1318    /44:22722   /45:3445    
/46:5682    /47:8206    /48:99805   /49:5       /50:3       /51:2       
/52:111     /53:1       /54:0       /55:0       /56:116     /57:0       
/58:0       /59:0       /60:1       /61:0       /62:0       /63:0       
/64:590     

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

       ASN No of Nets  Description
      9808       7015  CHINAMOBILE-CN China Mobile Communications Group Co., Ltd
     16509       5409  AMAZON-02, US
      7552       3973  VIETEL-AS-AP Viettel Group, VN
     45609       3545  BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Serv
     18403       3442  FPT-AS-AP FPT Telecom Company, VN
     11172       2641  Alestra, S. de R.L. de C.V., MX
     13335       2615  CLOUDFLARENET, US
     39891       2136  ALJAWWALSTC-AS, SA
     24547       1733  CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Li
     36183       1637  AKAMAI-AS, US
     28573       1564  Claro NXT Telecomunicacoes Ltda, BR
     56041       1545  CMNET-ZHEJIANG-AP China Mobile communications corporation
     32098       1537  TRANSTELCO-INC, US
     17622       1521  CNCGROUP-GZ China Unicom Guangzhou network, CN
      6167       1454  CELLCO-PART, US
     56046       1418  CMNET-JIANGSU-AP China Mobile communications corporation,
     12479       1404  UNI2-AS, ES
     38266       1361  VIL-AS-AP Vodafone Idea Ltd, IN
     17072       1306  TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
     45271       1303  VIL-AS-AP Vodafone Idea Ltd, IN

End of report