IPv6 R&E Routing Table Report   23:08 GMT Thu 27 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:                              226335
    Number of IPv6 prefixes with a valid ROA:                    145481
    Number of IPv6 prefixes with an invalid ROA:                   1009
    Number of IPv6 prefixes with no ROA:                          79845
Total ASNs present in the IPv6 Routing Table:                     35515
    Average AS path length:                                         4.6
    Longest AS path:                                                 34
Total Origin ASNs present in the IPv6 Routing Table:              35165
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    /30:792     /31:342     /32:25845   /33:4184    
/34:3878    /35:1493    /36:8266    /37:1176    /38:2454    /39:1718    
/40:21584   /41:1542    /42:2840    /43:1329    /44:23371   /45:3706    
/46:5657    /47:8365    /48:101857  /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       
/64:423     

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

       ASN No of Nets  Description
      9808       6783  CHINAMOBILE-CN China Mobile Communications Group Co., Ltd
     16509       5365  AMAZON-02, US
      7552       3958  VIETEL-AS-AP Viettel Group, VN
     45609       3601  BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Serv
     18403       3405  FPT-AS-AP FPT Telecom Company, VN
     13335       2639  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       1650  TRANSTELCO-INC, US
     36183       1623  AKAMAI-AS, US
     17622       1618  CNCGROUP-GZ China Unicom Guangzhou network, CN
     28573       1579  Claro NXT Telecomunicacoes Ltda, BR
     56046       1516  CMNET-JIANGSU-AP China Mobile communications corporation,
     12479       1461  UNI2-AS, ES
      6167       1453  CELLCO-PART, US
     17072       1403  TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
     38266       1368  VIL-AS-AP Vodafone Idea Ltd, IN
     47331       1272  TTNET, TR

End of report