IPv6 R&E Routing Table Report   23:08 GMT Tue 15 Jul, 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:                              219702
    Number of IPv6 prefixes with a valid ROA:                    137989
    Number of IPv6 prefixes with an invalid ROA:                   2856
    Number of IPv6 prefixes with no ROA:                          78857
Total ASNs present in the IPv6 Routing Table:                     34683
    Average AS path length:                                         4.8
    Longest AS path:                                                 34
Total Origin ASNs present in the IPv6 Routing Table:              34327
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       /24:36      /25:11      /26:20      /27:20      
/28:152     /29:5139    /30:731     /31:328     /32:25607   /33:4036    
/34:3726    /35:1503    /36:7870    /37:1133    /38:2210    /39:1687    
/40:21294   /41:1417    /42:2688    /43:1239    /44:22061   /45:2745    
/46:5723    /47:8040    /48:99717   /49:3       /50:2       /51:1       
/52:4       /53:1       /54:0       /55:0       /56:111     /57:0       
/58:0       /59:0       /60:0       /61:0       /62:0       /63:0       
/64:410     

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

       ASN No of Nets  Description
      9808       6643  CHINAMOBILE-CN China Mobile Communications Group Co., Ltd
     16509       5157  AMAZON-02, US
      7552       3968  VIETEL-AS-AP Viettel Group, VN
     18403       3431  FPT-AS-AP FPT Telecom Company, VN
     45609       3427  BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Serv
     13335       2565  CLOUDFLARENET, US
     11172       2353  Alestra, S. de R.L. de C.V., MX
    135139       2049  SKYNTPL-AS-AP Skylink Fibernet Private Limited, IN
     39891       1904  ALJAWWALSTC-AS, SA
     24547       1731  CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Li
     36183       1638  AKAMAI-AS, US
     28573       1577  Claro NXT Telecomunicacoes Ltda, BR
     17622       1509  CNCGROUP-GZ China Unicom Guangzhou network, CN
     56041       1500  CMNET-ZHEJIANG-AP China Mobile communications corporation
     32098       1487  TRANSTELCO-INC, US
      6167       1422  CELLCO-PART, US
     56046       1411  CMNET-JIANGSU-AP China Mobile communications corporation,
     12479       1391  UNI2-AS, ES
     45271       1370  VIL-AS-AP Vodafone Idea Ltd, IN
     38266       1308  VIL-AS-AP Vodafone Idea Ltd, IN

End of report