[REN-BGP-stats] Weekly Global IPv6 R&E Routing Table Report

[REN Routing Table Report]

This is an automated weekly mailing describing the state of the IPv6
Research & Education Routing Table received by NSRC's collector
from Internet2.

Daily listings are sent to ren-bgp-stats-all at lists.nsrc.org.

For historical data, please see https://bgp.nsrc.org/REN.

If you have any comments please contact Philip Smith <philip at nsrc.org>.

IPv6 R&E Routing Table Report   22:00 GMT Sat 11 Mar, 2023

  IPv6 BGP Table (R&E) as seen at Internet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/Internet2/

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

BGP routing table entries examined:                                7544
    Number of IPv6 prefixes with a valid ROA:                      2079
    Number of IPv6 prefixes with an invalid ROA:                    100
    Number of IPv6 prefixes with no ROA:                           5365
Total ASNs present in the IPv6 Routing Table:                      5173
    Average AS path length:                                         3.7
    Longest AS path:                                                 14
Total Origin ASNs present in the IPv6 Routing Table:               5143
Paths with bogon ASNs present in the IPv6 Routing Table:              0

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

/16:0       /17:0       /18:0       /19:0       /20:2       /21:2       
/22:1       /23:0       /24:1       /25:0       /26:0       /27:0       
/28:10      /29:53      /30:16      /31:3       /32:4535    /33:58      
/34:11      /35:30      /36:67      /37:28      /38:44      /39:3       
/40:181     /41:11      /42:8       /43:12      /44:145     /45:15      
/46:378     /47:41      /48:1878    /49:9       /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       
/64:0       

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

       ASN No of Nets  Description
     16509        945  AMAZON-02, US
     14618        197  AMAZON-AES, US
      7497        159  CSTNET-AS-AP Computer Network Information Center, CN
     55824         96  NKN-CORE-NW NKN Core Network, IN
     45773         69  HECPERN-AS-PK PERN AS Content Servie Provider, Islamabad, Pa
      4758         62  NICNET-VSNL-BOARDER-AP National Informatics Centre, IN
    133111         60  CNT-NORTHCHINA CERNET New Technology Co., Ltd, CN
     45090         37  TENCENT-NET-AP Shenzhen Tencent Computer Systems Company Lim
     61468         31  CEDIA, EC
      8987         30  AMAZON EXPANSION, IE
     37963         25  ALIBABA-CN-NET Hangzhou Alibaba Advertising Co.,Ltd., CN
    262156         16  Universidad Nacional de Rosario, AR
      2018         15  TENET-1, ZA
      3477         15  NOAA-NWAVE, US
     24151         15  CNNIC-CRITICAL-AP China Internet Network Infomation Center, 
    327687         14  RENU, UG
      4608         13  APNIC-SERVICES Asia Pacific Network Information Centre, AU
     19679         12  DROPBOX, US
       559         11  SWITCH Peering requests: peering at switch.ch, CH
       680         11  DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e

End of report