IPv6 R&E Routing Table Report   23:08 GMT Sun 02 Nov, 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:                              225354
    Number of IPv6 prefixes with a valid ROA:                    144538
    Number of IPv6 prefixes with an invalid ROA:                    890
    Number of IPv6 prefixes with no ROA:                          79926
Total ASNs present in the IPv6 Routing Table:                     35305
    Average AS path length:                                         4.8
    Longest AS path:                                                 34
Total Origin ASNs present in the IPv6 Routing Table:              34948
Paths with bogon ASNs present in the IPv6 Routing Table:              7

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

/16:0       /17:0       /18:0       /19:1       /20:13      /21:3       
/22:6       /23:6       /24:40      /25:11      /26:19      /27:19      
/28:151     /29:5099    /30:797     /31:341     /32:25641   /33:4152    
/34:3849    /35:1495    /36:8257    /37:1125    /38:2388    /39:1718    
/40:21499   /41:1513    /42:2811    /43:1335    /44:23256   /45:3797    
/46:5668    /47:8359    /48:101435  /49:3       /50:3       /51:2       
/52:4       /53:1       /54:0       /55:0       /56:107     /57:0       
/58:0       /59:0       /60:0       /61:0       /62:0       /63:1       
/64:423     

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

       ASN No of Nets  Description
      9808       6963  CHINAMOBILE-CN China Mobile Communications Group Co., Ltd
     16509       5429  AMAZON-02, US
      7552       3958  VIETEL-AS-AP Viettel Group, VN
     45609       3582  BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Serv
     18403       3561  FPT-AS-AP FPT Telecom Company, VN
     13335       2627  CLOUDFLARENET, US
     11172       2558  Alestra, S. de R.L. de C.V., MX
     39891       2058  ALJAWWALSTC-AS, SA
     56041       1737  CMNET-ZHEJIANG-AP China Mobile communications corporation
     24547       1735  CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Li
     36183       1623  AKAMAI-AS, US
     17622       1618  CNCGROUP-GZ China Unicom Guangzhou network, CN
     32098       1599  TRANSTELCO-INC, US
     28573       1572  Claro NXT Telecomunicacoes Ltda, BR
      6167       1468  CELLCO-PART, US
     12479       1427  UNI2-AS, ES
     56046       1421  CMNET-JIANGSU-AP China Mobile communications corporation,
     17072       1394  TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
     38266       1362  VIL-AS-AP Vodafone Idea Ltd, IN
     45271       1257  VIL-AS-AP Vodafone Idea Ltd, IN

End of report