Report for 28086

Name

Worldcom de Costa Rica, S.A., CR

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.

28086 Worldcom de Costa Rica, S.A., CR

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS262197        MILLICOM CABLE COSTA RICA S.A., CR
    AS23520         LIBERTY-NETWORKS - Columbus Networks USA, Inc., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
8822  AS28086        ORIGIN  Originate:      13056 /18.33  Transit:          0 /0.00  Worldcom de Costa Rica, S.A., CR

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       %
 4814 AS28086       Worldcom de Costa Rica, S.A., CR                  14     10      0      4     10  71.43%


  Prefix               AS Path                              Aggregation Suggestion
  190.123.128.0/20     4777 2497 174 23520 28086   
  190.123.129.0/24     4777 2497 174 23520 28086 - Withdrawn - matching aggregate 190.123.128.0/20 4777 2497 174 23520 28086
  190.123.130.0/24     4777 2497 174 23520 28086 - Withdrawn - matching aggregate 190.123.128.0/20 4777 2497 174 23520 28086
  190.123.131.0/24     4777 2516 1299 262206 262197 28086   
  190.123.132.0/24     4777 2497 174 23520 28086 - Withdrawn - matching aggregate 190.123.128.0/20 4777 2497 174 23520 28086
  190.123.133.0/24     4777 2497 174 23520 28086 - Withdrawn - matching aggregate 190.123.128.0/20 4777 2497 174 23520 28086
  190.123.134.0/24     4777 2497 174 23520 28086 - Withdrawn - matching aggregate 190.123.128.0/20 4777 2497 174 23520 28086
  190.123.135.0/24     4777 2497 174 23520 28086 - Withdrawn - matching aggregate 190.123.128.0/20 4777 2497 174 23520 28086
  190.123.140.0/24     4777 2497 174 23520 28086 - Withdrawn - matching aggregate 190.123.128.0/20 4777 2497 174 23520 28086
  190.123.141.0/24     4777 2497 174 23520 28086 - Withdrawn - matching aggregate 190.123.128.0/20 4777 2497 174 23520 28086
  190.123.142.0/24     4777 2497 174 23520 28086 - Withdrawn - matching aggregate 190.123.128.0/20 4777 2497 174 23520 28086
  190.123.143.0/24     4777 2497 174 23520 28086 - Withdrawn - matching aggregate 190.123.128.0/20 4777 2497 174 23520 28086
  209.213.176.0/21     4777 2497 174 23520 28086   
  216.25.160.0/20      4777 2516 6762 23520 28086   

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

AS28086   12 More Specifics   14 Total Advertisements   Worldcom de Costa Rica, S.A., CR
    190.123.129.0/24              190.123.128.0/20
    190.123.130.0/24              190.123.128.0/20
    190.123.131.0/24              190.123.128.0/20
    190.123.132.0/24              190.123.128.0/20
    190.123.133.0/24              190.123.128.0/20
    190.123.134.0/24              190.123.128.0/20
    190.123.135.0/24              190.123.128.0/20
    190.123.140.0/24              190.123.128.0/20
    190.123.141.0/24              190.123.128.0/20
    190.123.142.0/24              190.123.128.0/20
    190.123.143.0/24              190.123.128.0/20
    209.213.176.0/21              209.213.176.0/20

Whois Entry

whois: 402332

IANA has recorded AS28086 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS28086\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             %ERROR:101: no entries found
             %
             % No entries found in source APNIC,JPNIC,KRNIC,TWNIC,IDNIC,IRINN-GRS.
             
             % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)