IPv6 R&E Routing Table Report   23:08 GMT Thu 17 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:                              220196
    Number of IPv6 prefixes with a valid ROA:                    138344
    Number of IPv6 prefixes with an invalid ROA:                   2862
    Number of IPv6 prefixes with no ROA:                          78990
Total ASNs present in the IPv6 Routing Table:                     34698
    Average AS path length:                                         4.8
    Longest AS path:                                                 34
Total Origin ASNs present in the IPv6 Routing Table:              34348
Paths with bogon ASNs present in the IPv6 Routing Table:              4

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

/16:0       /17:0       /18:0       /19:1       /20:12      /21:3       
/22:6       /23:6       /24:37      /25:11      /26:20      /27:20      
/28:152     /29:5097    /30:730     /31:330     /32:25592   /33:4045    
/34:3718    /35:1497    /36:7909    /37:1162    /38:2243    /39:1690    
/40:21333   /41:1423    /42:2720    /43:1239    /44:22101   /45:2754    
/46:5730    /47:8069    /48:100003  /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       
/64:412     

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

       ASN No of Nets  Description
      9808       6643  CHINAMOBILE-CN China Mobile Communications Group Co., Ltd
     16509       5161  AMAZON-02, US
      7552       3968  VIETEL-AS-AP Viettel Group, VN
     18403       3431  FPT-AS-AP FPT Telecom Company, VN
     45609       3429  BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Serv
     13335       2562  CLOUDFLARENET, US
     11172       2372  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       1521  CNCGROUP-GZ China Unicom Guangzhou network, CN
     56041       1503  CMNET-ZHEJIANG-AP China Mobile communications corporation
     32098       1490  TRANSTELCO-INC, US
      6167       1425  CELLCO-PART, US
     56046       1411  CMNET-JIANGSU-AP China Mobile communications corporation,
     12479       1395  UNI2-AS, ES
     45271       1371  VIL-AS-AP Vodafone Idea Ltd, IN
     38266       1332  VIL-AS-AP Vodafone Idea Ltd, IN

End of report