IPv6 R&E Routing Table Report   23:08 GMT Thu 25 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:                              223247
    Number of IPv6 prefixes with a valid ROA:                    143230
    Number of IPv6 prefixes with an invalid ROA:                   1280
    Number of IPv6 prefixes with no ROA:                          78737
Total ASNs present in the IPv6 Routing Table:                     35198
    Average AS path length:                                         4.7
    Longest AS path:                                                 34
Total Origin ASNs present in the IPv6 Routing Table:              34828
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     /29:5122    /30:725     /31:346     /32:25606   /33:4071    
/34:3852    /35:1518    /36:8220    /37:1128    /38:2381    /39:1706    
/40:21309   /41:1487    /42:2773    /43:1330    /44:22801   /45:3412    
/46:5704    /47:8233    /48:100418  /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       
/64:588     

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

       ASN No of Nets  Description
      9808       6973  CHINAMOBILE-CN China Mobile Communications Group Co., Ltd
     16509       5431  AMAZON-02, US
      7552       3959  VIETEL-AS-AP Viettel Group, VN
     45609       3553  BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Serv
     18403       3442  FPT-AS-AP FPT Telecom Company, VN
     11172       2648  Alestra, S. de R.L. de C.V., MX
     13335       2617  CLOUDFLARENET, US
     39891       2072  ALJAWWALSTC-AS, SA
     24547       1733  CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Li
     36183       1632  AKAMAI-AS, US
     28573       1567  Claro NXT Telecomunicacoes Ltda, BR
     32098       1550  TRANSTELCO-INC, US
     56041       1545  CMNET-ZHEJIANG-AP China Mobile communications corporation
     17622       1517  CNCGROUP-GZ China Unicom Guangzhou network, CN
      6167       1457  CELLCO-PART, US
     56046       1419  CMNET-JIANGSU-AP China Mobile communications corporation,
     12479       1415  UNI2-AS, ES
     38266       1346  VIL-AS-AP Vodafone Idea Ltd, IN
     17072       1318  TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
     45271       1307  VIL-AS-AP Vodafone Idea Ltd, IN

End of report