Report for 214743

Name

COGENTO-AS - Cogento Backbone Limited, HK

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS2.0) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

214743 COGENTO-AS - Cogento Backbone Limited, HK

  Adjacency:     3  Upstream:     1  Downstream:     2
  Upstream Adjacent AS list
    AS33891         CORE-BACKBONE - Core-Backbone GmbH, DE
  Downstream Adjacent AS list
    AS209178        IPv4Superhub - IPv4 Superhub Limited, HK
    AS214785        INTONET369 - 369 IntoNet Limited, HK

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
31487 AS214743       ORG+TRN Originate:       1536 /21.42  Transit:       5888 /19.48 COGENTO-AS - Cogento Backbone Limited, HK

Aggregation Suggestions

        Filter: Aggregates, Specifics

This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
27978 AS214743      COGENTO-AS - Cogento Backbone Limited, HK          6      2      1      5      1  16.67%


  Prefix               AS Path                              Aggregation Suggestion
  45.91.224.0/24       4777 2516 33891 214743   
  91.198.23.0/24       4777 2516 33891 214743   
  176.111.37.0/24      4777 2516 33891 214743   
  176.111.38.0/23      4777 2516 33891 214743 + Announce - aggregate of 176.111.38.0/24 (4777 2516 33891 214743) and 176.111.39.0/24 (4777 2516 33891 214743)
  176.111.38.0/24      4777 2516 33891 214743 - Withdrawn - aggregated with 176.111.39.0/24 (4777 2516 33891 214743)
  176.111.39.0/24      4777 2516 33891 214743 - Withdrawn - aggregated with 176.111.38.0/24 (4777 2516 33891 214743)
  193.105.241.0/24     4777 2516 33891 214743   

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS214743   3 More Specifics   6 Total Advertisements   COGENTO-AS - Cogento Backbone Limited, HK
    45.91.224.0/24                45.91.224.0/22
    176.111.38.0/24               176.111.38.0/23
    176.111.39.0/24               176.111.38.0/23

Whois Entry

whois: 402613

IANA has recorded AS214743 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS214743\n