Report for 4791

Name

JOONGANGLIBO-AS-KR JoongAng Ilbo, KR

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.

4791 JOONGANGLIBO-AS-KR JoongAng Ilbo, KR

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS3786          LGDACOM LG DACOM Corporation, KR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
16102 AS4791         ORIGIN  Originate:       4352 /19.91  Transit:          0 /0.00  JOONGANGLIBO-AS-KR JoongAng Ilbo, KR

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       %
 8187 AS4791        JOONGANGLIBO-AS-KR JoongAng Ilbo, KR              17     10      5     12      5  29.41%


  Prefix               AS Path                              Aggregation Suggestion
  1.209.9.0/24         4777 2516 4637 3786 4791 4791 4791 4791   
  117.52.114.0/23      4777 2516 4637 3786 4791 4791 4791 4791 + Announce - aggregate of 117.52.114.0/24 (4777 2516 4637 3786 4791 4791 4791 4791) and 117.52.115.0/24 (4777 2516 4637 3786 4791 4791 4791 4791)
  117.52.114.0/24      4777 2516 4637 3786 4791 4791 4791 4791 - Withdrawn - aggregated with 117.52.115.0/24 (4777 2516 4637 3786 4791 4791 4791 4791)
  117.52.115.0/24      4777 2516 4637 3786 4791 4791 4791 4791 - Withdrawn - aggregated with 117.52.114.0/24 (4777 2516 4637 3786 4791 4791 4791 4791)
  117.52.116.0/24      4777 2516 4637 3786 4791 4791 4791 4791   
  117.52.118.0/24      4777 2516 4637 3786 4791 4791 4791 4791   
  203.249.128.0/23     4777 2497 3786 4791 4791 4791 4791 + Announce - aggregate of 203.249.128.0/24 (4777 2497 3786 4791 4791 4791 4791) and 203.249.129.0/24 (4777 2497 3786 4791 4791 4791 4791)
  203.249.128.0/24     4777 2497 3786 4791 4791 4791 4791 - Withdrawn - aggregated with 203.249.129.0/24 (4777 2497 3786 4791 4791 4791 4791)
  203.249.129.0/24     4777 2497 3786 4791 4791 4791 4791 - Withdrawn - aggregated with 203.249.128.0/24 (4777 2497 3786 4791 4791 4791 4791)
  203.249.132.0/23     4777 2497 3786 4791 4791 4791 4791 + Announce - aggregate of 203.249.132.0/24 (4777 2497 3786 4791 4791 4791 4791) and 203.249.133.0/24 (4777 2497 3786 4791 4791 4791 4791)
  203.249.132.0/24     4777 2497 3786 4791 4791 4791 4791 - Withdrawn - aggregated with 203.249.133.0/24 (4777 2497 3786 4791 4791 4791 4791)
  203.249.133.0/24     4777 2497 3786 4791 4791 4791 4791 - Withdrawn - aggregated with 203.249.132.0/24 (4777 2497 3786 4791 4791 4791 4791)
  203.249.136.0/23     4777 2497 3786 4791 4791 4791 4791 + Announce - aggregate of 203.249.136.0/24 (4777 2497 3786 4791 4791 4791 4791) and 203.249.137.0/24 (4777 2497 3786 4791 4791 4791 4791)
  203.249.136.0/24     4777 2497 3786 4791 4791 4791 4791 - Withdrawn - aggregated with 203.249.137.0/24 (4777 2497 3786 4791 4791 4791 4791)
  203.249.137.0/24     4777 2497 3786 4791 4791 4791 4791 - Withdrawn - aggregated with 203.249.136.0/24 (4777 2497 3786 4791 4791 4791 4791)
  203.249.143.0/24     4777 2497 3786 4791 4791 4791 4791   
  203.249.149.0/24     4777 2497 3786 4791 4791 4791 4791   
  203.249.150.0/23     4777 2497 3786 4791 4791 4791 4791 + Announce - aggregate of 203.249.150.0/24 (4777 2497 3786 4791 4791 4791 4791) and 203.249.151.0/24 (4777 2497 3786 4791 4791 4791 4791)
  203.249.150.0/24     4777 2497 3786 4791 4791 4791 4791 - Withdrawn - aggregated with 203.249.151.0/24 (4777 2497 3786 4791 4791 4791 4791)
  203.249.151.0/24     4777 2497 3786 4791 4791 4791 4791 - Withdrawn - aggregated with 203.249.150.0/24 (4777 2497 3786 4791 4791 4791 4791)
  203.249.152.0/24     4777 2497 3786 4791 4791 4791 4791   
  203.249.157.0/24     4777 2497 3786 4791 4791 4791 4791   

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

AS4791   17 More Specifics   17 Total Advertisements   JOONGANGLIBO-AS-KR JoongAng Ilbo, KR
    1.209.9.0/24                  1.208.0.0/12
    117.52.114.0/24               117.52.0.0/16
    117.52.115.0/24               117.52.0.0/16
    117.52.116.0/24               117.52.0.0/16
    117.52.118.0/24               117.52.0.0/16
    203.249.128.0/24              203.249.128.0/19
    203.249.129.0/24              203.249.128.0/19
    203.249.132.0/24              203.249.128.0/19
    203.249.133.0/24              203.249.128.0/19
    203.249.136.0/24              203.249.128.0/19
    203.249.137.0/24              203.249.128.0/19
    203.249.143.0/24              203.249.128.0/19
    203.249.149.0/24              203.249.128.0/19
    203.249.150.0/24              203.249.128.0/19
    203.249.151.0/24              203.249.128.0/19
    203.249.152.0/24              203.249.128.0/19
    203.249.157.0/24              203.249.128.0/19

Whois Entry

whois: 402332

IANA has recorded AS4791 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS4791\n