IPv6 R&E Routing Table Report   23:03 GMT Thu 16 Apr, 2026

  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:                              236820
    Number of IPv6 prefixes with a valid ROA:                    159678
    Number of IPv6 prefixes with an invalid ROA:                   1021
    Number of IPv6 prefixes with no ROA:                          76121
Total ASNs present in the IPv6 Routing Table:                     36070
    Average AS path length:                                         4.8
    Longest AS path:                                                 37
Total Origin ASNs present in the IPv6 Routing Table:              35721
Paths with bogon ASNs present in the IPv6 Routing Table:              6

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

/16:0       /17:0       /18:0       /19:1       /20:13      /21:3       
/22:6       /23:6       /24:41      /25:13      /26:17      /27:18      
/28:159     /29:5348    /30:819     /31:338     /32:26258   /33:4590    
/34:3985    /35:1497    /36:8783    /37:1210    /38:2595    /39:1800    
/40:22640   /41:1606    /42:2841    /43:1370    /44:24783   /45:4463    
/46:5598    /47:8656    /48:107033  /49:3       /50:3       /51:2       
/52:4       /53:1       /54:0       /55:0       /56:88      /57:0       
/58:0       /59:0       /60:0       /61:0       /62:0       /63:0       
/64:224     

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

       ASN No of Nets  Description
      9808       7087  CHINAMOBILE-CN China Mobile Communications Group Co., Ltd
     16509       5508  AMAZON-02 - Amazon.com, Inc., US
      7552       4009  VIETEL-AS-AP Viettel Group, VN
     45609       3627  BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Serv
     18403       3512  FPT-AS-AP FPT Telecom Company, VN
     13335       2715  CLOUDFLARENET - Cloudflare, Inc., US
     11172       2474  Alestra, S. de R.L. de C.V., MX
     39891       2078  ALJAWWALSTC-AS, SA
     17622       1964  CNCGROUP-GZ China Unicom Guangzhou network, CN
     56041       1892  CMNET-ZHEJIANG-AP China Mobile communications corporation
     32098       1860  TRANSTELCO-INC - Transtelco Inc, US
     24547       1727  CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Li
     28573       1665  Claro NXT Telecomunicacoes Ltda, BR
     36183       1642  AKAMAI-AS - Akamai Technologies, Inc., US
      6167       1625  CELLCO-PART - Verizon Business, US
     12479       1555  UNI2-AS, ES
     56046       1553  CMNET-JIANGSU-AP China Mobile communications corporation,
     36992       1470  ETISALAT-MISR, EG
     17072       1439  TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
     38266       1293  VIL-AS-AP Vodafone Idea Ltd, IN

End of report