Global IPv6 R&E Routing Table Report   23:03 GMT Tue 05 Oct, 2021

  IPv6 BGP Table (Global) as seen at BT London.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/London/

Analysis Summary
----------------

BGP routing table entries examined:                              130278
    Number of IPv6 prefixes with a valid ROA:                     47348
    Number of IPv6 prefixes with an invalid ROA:                   1481
    Number of IPv6 prefixes with no ROA:                          81449
Total ASNs present in the IPv6 Routing Table:                     26991
    Average AS path length:                                         5.3
    Longest AS path:                                                 28
Total Origin ASNs present in the IPv6 Routing Table:              26698
Paths with bogon ASNs present in the IPv6 Routing Table:              0

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

/16:0       /17:0       /18:0       /19:1       /20:14      /21:3       
/22:7       /23:7       /24:28      /25:8       /26:15      /27:21      
/28:117     /29:3722    /30:510     /31:204     /32:20712   /33:2334    
/34:2028    /35:760     /36:4659    /37:882     /38:1497    /39:947     
/40:9519    /41:702     /42:2801    /43:708     /44:11812   /45:1142    
/46:2607    /47:2179    /48:60328   /49:0       /50:0       /51:0       
/52:0       /53:0       /54:0       /55:0       /56:0       /57:0       
/58:0       /59:0       /60:0       /61:0       /62:0       /63:0       
/64:1       

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

       ASN No of Nets  Description
     11172       3312  Alestra, S. de R.L. de C.V., MX
     17622       2425  CNCGROUP-GZ China Unicom Guangzhou network, CN
     45609       2216  BHARTI-MOBILITY-AS-AP Bharti Airtel Ltd. AS for GPRS Service
      7552       2009  VIETEL-AS-AP Viettel Group, VN
     16509       1749  AMAZON-02, US
     12479       1598  UNI2-AS, ES
     45271       1565  ICLNET-AS-AP Idea Cellular Limited, IN
     24547       1487  CMNET-V4HEBEI-AS-AP Hebei Mobile Communication Company Limit
     17623       1431  CNCGROUP-SZ China Unicom Shenzen network, CN
      9808       1395  CHINAMOBILE-CN China Mobile Communications Group Co., Ltd., 
     28573       1309  Claro NXT Telecomunicacoes Ltda, BR
     22773       1273  ASN-CXA-ALL-CCI-22773-RDC, US
     36183       1152  AKAMAI-AS, US
     56046       1058  CMNET-JIANGSU-AP China Mobile communications corporation, CN
     62240        982  CLOUVIDER Clouvider - Global ASN, GB
     32098        971  TRANSTELCO-INC, US
     56044        966  CMNET-AS-LIAONING China Mobile communications corporation, C
      4808        896  CHINA169-BJ China Unicom Beijing Province Network, CN
     18403        892  FPT-AS-AP FPT Telecom Company, VN
     38266        885  VIL-AS-AP Vodafone Idea Ltd, IN

End of report