IPv6 R&E Routing Table Report   23:09 GMT Tue 25 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:                              225883
    Number of IPv6 prefixes with a valid ROA:                    145257
    Number of IPv6 prefixes with an invalid ROA:                   1007
    Number of IPv6 prefixes with no ROA:                          79619
Total ASNs present in the IPv6 Routing Table:                     35505
    Average AS path length:                                         4.6
    Longest AS path:                                                 34
Total Origin ASNs present in the IPv6 Routing Table:              35159
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      
/28:152     /29:5117    /30:790     /31:342     /32:25852   /33:4190    
/34:3896    /35:1494    /36:8264    /37:1171    /38:2457    /39:1719    
/40:21532   /41:1543    /42:2826    /43:1331    /44:23350   /45:3684    
/46:5487    /47:8370    /48:101650  /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       /63:0       
/64:422     

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

       ASN No of Nets  Description
      9808       6730  CHINAMOBILE-CN China Mobile Communications Group Co., Ltd
     16509       5356  AMAZON-02, US
      7552       3958  VIETEL-AS-AP Viettel Group, VN
     45609       3561  BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Serv
     18403       3425  FPT-AS-AP FPT Telecom Company, VN
     13335       2635  CLOUDFLARENET, US
     11172       2106  Alestra, S. de R.L. de C.V., MX
     39891       2010  ALJAWWALSTC-AS, SA
     56041       1749  CMNET-ZHEJIANG-AP China Mobile communications corporation
     24547       1735  CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Li
     32098       1643  TRANSTELCO-INC, US
     36183       1623  AKAMAI-AS, US
     17622       1618  CNCGROUP-GZ China Unicom Guangzhou network, CN
     28573       1576  Claro NXT Telecomunicacoes Ltda, BR
      6167       1453  CELLCO-PART, US
     12479       1439  UNI2-AS, ES
     56046       1421  CMNET-JIANGSU-AP China Mobile communications corporation,
     17072       1403  TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
     38266       1388  VIL-AS-AP Vodafone Idea Ltd, IN
     47331       1272  TTNET, TR

End of report