IPv6 R&E Routing Table Report   23:08 GMT Sat 06 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:                              221351
    Number of IPv6 prefixes with a valid ROA:                    141800
    Number of IPv6 prefixes with an invalid ROA:                   1058
    Number of IPv6 prefixes with no ROA:                          78493
Total ASNs present in the IPv6 Routing Table:                     35051
    Average AS path length:                                         4.8
    Longest AS path:                                                 34
Total Origin ASNs present in the IPv6 Routing Table:              34681
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       /24:38      /25:11      /26:20      /27:20      
/28:155     /29:5109    /30:725     /31:339     /32:25568   /33:4079    
/34:3831    /35:1539    /36:8375    /37:1198    /38:2310    /39:1710    
/40:21139   /41:1468    /42:2744    /43:1301    /44:22678   /45:3007    
/46:5757    /47:8153    /48:99492   /49:3       /50:2       /51:1       
/52:3       /53:1       /54:0       /55:0       /56:108     /57:0       
/58:0       /59:0       /60:0       /61:0       /62:0       /63:0       
/64:430     

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

       ASN No of Nets  Description
      9808       6873  CHINAMOBILE-CN China Mobile Communications Group Co., Ltd
     16509       5393  AMAZON-02, US
      7552       3973  VIETEL-AS-AP Viettel Group, VN
     45609       3513  BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Serv
     18403       3461  FPT-AS-AP FPT Telecom Company, VN
     13335       2625  CLOUDFLARENET, US
     11172       2605  Alestra, S. de R.L. de C.V., MX
     39891       1905  ALJAWWALSTC-AS, SA
     24547       1733  CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Li
     36183       1630  AKAMAI-AS, US
     28573       1566  Claro NXT Telecomunicacoes Ltda, BR
     32098       1527  TRANSTELCO-INC, US
     17622       1525  CNCGROUP-GZ China Unicom Guangzhou network, CN
     56041       1515  CMNET-ZHEJIANG-AP China Mobile communications corporation
      6167       1449  CELLCO-PART, US
     56046       1416  CMNET-JIANGSU-AP China Mobile communications corporation,
     12479       1403  UNI2-AS, ES
     38266       1357  VIL-AS-AP Vodafone Idea Ltd, IN
     45271       1311  VIL-AS-AP Vodafone Idea Ltd, IN
     17072       1299  TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX

End of report