Report for 27989

Name

AS27989 - BANCOLOMBIA S.A, CO

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.

27989 AS27989 - BANCOLOMBIA S.A, CO

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS262191        AS262191 - LIBERTY NETWORKS DE COLOMBIA S.A.S, CO
    AS3549          LVLT-3549 - Level 3 Parent, LLC, US
    AS19551         INCAPSULA - Incapsula Inc, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
23162 AS27989        ORIGIN  Originate:       2304 /20.83  Transit:          0 /0.00  AS27989 - BANCOLOMBIA S.A, CO

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       %
21480 AS27989       AS27989 - BANCOLOMBIA S.A, CO                      8      2      1      7      1  12.50%


  Prefix               AS Path                              Aggregation Suggestion
  2.59.193.0/24        4777 2497 1299 23520 262191 27989   
  64.76.212.0/24       4777 2497 3356 3549 27989   
  179.0.27.0/24        4608 1221 4637 19551 27989   
  200.1.175.0/24       4608 7575 1299 19551 27989   
  201.131.49.0/24      4777 2497 3356 3549 27989   
  201.221.124.0/23     4777 2516 3356 3549 27989   
  201.221.124.0/23     4608 1221 4637 19551 27989 + Announce - aggregate of 201.221.124.0/24 (4608 1221 4637 19551 27989) and 201.221.125.0/24 (4608 1221 4637 19551 27989)
  201.221.124.0/24     4608 1221 4637 19551 27989 - Withdrawn - aggregated with 201.221.125.0/24 (4608 1221 4637 19551 27989)
  201.221.125.0/24     4608 1221 4637 19551 27989 - Withdrawn - aggregated with 201.221.124.0/24 (4608 1221 4637 19551 27989)

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

AS27989   4 More Specifics   8 Total Advertisements   AS27989 - BANCOLOMBIA S.A, CO
    2.59.193.0/24                 2.59.192.0/22
    64.76.212.0/24                64.76.0.0/16
    201.221.124.0/24              201.221.124.0/23
    201.221.125.0/24              201.221.124.0/23

Whois Entry

whois: 402591

IANA has recorded AS27989 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS27989\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded