Report for 27818

Name

AS27818 - Cotesma, AR

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.

27818 AS27818 - Cotesma, AR

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS22927         AS22927 - Telefonica de Argentina, AR
    AS52361         AS52361 - ARSAT - Empresa Argentina de Soluciones Satelitales S.A., AR
    AS7049          AS7049 - Silica Networks Argentina S.A., AR

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
7106  AS27818        ORIGIN  Originate:      18688 /17.81  Transit:          0 /0.00  AS27818 - Cotesma, AR

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       %
 1178 AS27818       AS27818 - Cotesma, AR                             70     62     12     20     50  71.43%


  Prefix               AS Path                              Aggregation Suggestion
  131.161.152.0/23     4777 2497 174 7049 27818 27818 27818 27818 27818 + Announce - aggregate of 131.161.152.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818) and 131.161.153.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  131.161.152.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 131.161.153.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  131.161.153.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 131.161.152.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  131.161.154.0/24     4608 1221 4637 12956 22927 22927 22927 27818 27818 27818 27818 27818   
  131.161.155.0/24     4608 7575 7195 52361 27818 27818 27818 27818 27818   
  181.114.128.0/20     4777 2497 174 7049 27818 27818 27818 27818 27818 + Announce - aggregate of 181.114.128.0/21 (4777 2497 174 7049 27818 27818 27818 27818 27818) and 181.114.136.0/21 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.128.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.129.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.129.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.128.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.130.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.131.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.131.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.130.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.132.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.133.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.133.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.132.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.134.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.135.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.135.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.134.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.136.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.137.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.137.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.136.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.138.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.139.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.139.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.138.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.140.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.141.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.141.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.140.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.142.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.143.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.143.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.142.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.144.0/21     4777 2497 174 7049 27818 27818 27818 27818 27818 + Announce - aggregate of 181.114.144.0/22 (4777 2497 174 7049 27818 27818 27818 27818 27818) and 181.114.148.0/22 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.144.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.145.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.145.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.144.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.146.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.147.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.147.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.146.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.148.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.149.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.149.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.148.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.150.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.151.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.151.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.150.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  181.114.152.0/23     4608 1221 4637 12956 22927 22927 22927 27818 27818 27818 27818 27818 + Announce - aggregate of 181.114.152.0/24 (4608 1221 4637 12956 22927 22927 22927 27818 27818 27818 27818 27818) and 181.114.153.0/24 (4608 1221 4637 12956 22927 22927 22927 27818 27818 27818 27818 27818)
  181.114.152.0/24     4608 1221 4637 12956 22927 22927 22927 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.153.0/24 (4608 1221 4637 12956 22927 22927 22927 27818 27818 27818 27818 27818)
  181.114.153.0/24     4608 1221 4637 12956 22927 22927 22927 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.152.0/24 (4608 1221 4637 12956 22927 22927 22927 27818 27818 27818 27818 27818)
  181.114.154.0/24     4608 1221 4637 12956 22927 22927 22927 27818 27818 27818 27818 27818   
  181.114.155.0/24     4608 7575 7195 52361 27818 27818 27818 27818 27818   
  181.114.156.0/23     4608 7575 7195 52361 27818 27818 27818 27818 27818 + Announce - aggregate of 181.114.156.0/24 (4608 7575 7195 52361 27818 27818 27818 27818 27818) and 181.114.157.0/24 (4608 7575 7195 52361 27818 27818 27818 27818 27818)
  181.114.156.0/24     4608 7575 7195 52361 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.157.0/24 (4608 7575 7195 52361 27818 27818 27818 27818 27818)
  181.114.157.0/24     4608 7575 7195 52361 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.156.0/24 (4608 7575 7195 52361 27818 27818 27818 27818 27818)
  181.114.158.0/23     4608 1221 4637 12956 22927 22927 22927 27818 27818 27818 27818 27818 + Announce - aggregate of 181.114.158.0/24 (4608 1221 4637 12956 22927 22927 22927 27818 27818 27818 27818 27818) and 181.114.159.0/24 (4608 1221 4637 12956 22927 22927 22927 27818 27818 27818 27818 27818)
  181.114.158.0/24     4608 1221 4637 12956 22927 22927 22927 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.159.0/24 (4608 1221 4637 12956 22927 22927 22927 27818 27818 27818 27818 27818)
  181.114.159.0/24     4608 1221 4637 12956 22927 22927 22927 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 181.114.158.0/24 (4608 1221 4637 12956 22927 22927 22927 27818 27818 27818 27818 27818)
  200.47.43.0/24       4777 2497 174 7049 27818 27818 27818 27818 27818   
  201.220.160.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818   
  201.220.161.0/24     4608 1221 4637 12956 22927 27818 27818 27818 27818 27818   
  201.220.162.0/23     4777 2497 174 7049 27818 27818 27818 27818 27818 + Announce - aggregate of 201.220.162.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818) and 201.220.163.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.162.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.163.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.163.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.162.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.164.0/22     4777 2497 174 7049 27818 27818 27818 27818 27818 + Announce - aggregate of 201.220.164.0/23 (4777 2497 174 7049 27818 27818 27818 27818 27818) and 201.220.166.0/23 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.164.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.165.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.165.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.164.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.166.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.167.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.167.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.166.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.168.0/21     4777 2497 174 7049 27818 27818 27818 27818 27818 + Announce - aggregate of 201.220.168.0/22 (4777 2497 174 7049 27818 27818 27818 27818 27818) and 201.220.172.0/22 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.168.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.169.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.169.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.168.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.170.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.171.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.171.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.170.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.172.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.173.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.173.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.172.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.174.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.175.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.175.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.174.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.176.0/21     4777 2497 174 7049 27818 27818 27818 27818 27818 + Announce - aggregate of 201.220.176.0/22 (4777 2497 174 7049 27818 27818 27818 27818 27818) and 201.220.180.0/22 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.176.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.177.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.177.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.176.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.178.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.179.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.179.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.178.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.180.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.181.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.181.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.180.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.182.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.183.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.183.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.182.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.184.0/22     4777 2497 174 7049 27818 27818 27818 27818 27818 + Announce - aggregate of 201.220.184.0/23 (4777 2497 174 7049 27818 27818 27818 27818 27818) and 201.220.186.0/23 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.184.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.185.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.185.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.184.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.186.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.187.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.187.0/24     4777 2497 174 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.186.0/24 (4777 2497 174 7049 27818 27818 27818 27818 27818)
  201.220.188.0/22     4777 2497 174 7049 27818 27818 27818 27818 27818 27818 27818   
  201.220.188.0/22     4777 2516 6762 7049 27818 27818 27818 27818 27818 + Announce - aggregate of 201.220.188.0/23 (4777 2516 6762 7049 27818 27818 27818 27818 27818) and 201.220.190.0/23 (4777 2516 6762 7049 27818 27818 27818 27818 27818)
  201.220.188.0/24     4777 2516 6762 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.189.0/24 (4777 2516 6762 7049 27818 27818 27818 27818 27818)
  201.220.189.0/24     4777 2516 6762 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.188.0/24 (4777 2516 6762 7049 27818 27818 27818 27818 27818)
  201.220.190.0/24     4777 2516 6762 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.191.0/24 (4777 2516 6762 7049 27818 27818 27818 27818 27818)
  201.220.191.0/24     4777 2516 6762 7049 27818 27818 27818 27818 27818 - Withdrawn - aggregated with 201.220.190.0/24 (4777 2516 6762 7049 27818 27818 27818 27818 27818)

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

AS27818   70 More Specifics   70 Total Advertisements   AS27818 - Cotesma, AR
    131.161.152.0/24              131.161.152.0/22
    131.161.153.0/24              131.161.152.0/22
    131.161.154.0/24              131.161.152.0/22
    131.161.155.0/24              131.161.152.0/22
    181.114.128.0/24              181.114.128.0/19
    181.114.129.0/24              181.114.128.0/19
    181.114.130.0/24              181.114.128.0/19
    181.114.131.0/24              181.114.128.0/19
    181.114.132.0/24              181.114.128.0/19
    181.114.133.0/24              181.114.128.0/19
    181.114.134.0/24              181.114.128.0/19
    181.114.135.0/24              181.114.128.0/19
    181.114.136.0/24              181.114.128.0/19
    181.114.137.0/24              181.114.128.0/19
    181.114.138.0/24              181.114.128.0/19
    181.114.139.0/24              181.114.128.0/19
    181.114.140.0/24              181.114.128.0/19
    181.114.141.0/24              181.114.128.0/19
    181.114.142.0/24              181.114.128.0/19
    181.114.143.0/24              181.114.128.0/19
    181.114.144.0/24              181.114.128.0/19
    181.114.145.0/24              181.114.128.0/19
    181.114.146.0/24              181.114.128.0/19
    181.114.147.0/24              181.114.128.0/19
    181.114.148.0/24              181.114.128.0/19
    181.114.149.0/24              181.114.128.0/19
    181.114.150.0/24              181.114.128.0/19
    181.114.151.0/24              181.114.128.0/19
    181.114.152.0/24              181.114.128.0/19
    181.114.153.0/24              181.114.128.0/19
    181.114.154.0/24              181.114.128.0/19
    181.114.155.0/24              181.114.128.0/19
    181.114.156.0/24              181.114.128.0/19
    181.114.157.0/24              181.114.128.0/19
    181.114.158.0/24              181.114.128.0/19
    181.114.159.0/24              181.114.128.0/19
    200.47.43.0/24                200.47.0.0/17
    201.220.160.0/24              201.220.160.0/20
    201.220.161.0/24              201.220.160.0/20
    201.220.162.0/24              201.220.160.0/20
    201.220.163.0/24              201.220.160.0/20
    201.220.164.0/24              201.220.160.0/20
    201.220.165.0/24              201.220.160.0/20
    201.220.166.0/24              201.220.160.0/20
    201.220.167.0/24              201.220.160.0/20
    201.220.168.0/24              201.220.160.0/20
    201.220.169.0/24              201.220.160.0/20
    201.220.170.0/24              201.220.160.0/20
    201.220.171.0/24              201.220.160.0/20
    201.220.172.0/24              201.220.160.0/20
    201.220.173.0/24              201.220.160.0/20
    201.220.174.0/24              201.220.160.0/20
    201.220.175.0/24              201.220.160.0/20
    201.220.176.0/24              201.220.176.0/20
    201.220.177.0/24              201.220.176.0/20
    201.220.178.0/24              201.220.176.0/20
    201.220.179.0/24              201.220.176.0/20
    201.220.180.0/24              201.220.176.0/20
    201.220.181.0/24              201.220.176.0/20
    201.220.182.0/24              201.220.176.0/20
    201.220.183.0/24              201.220.176.0/20
    201.220.184.0/24              201.220.176.0/20
    201.220.185.0/24              201.220.176.0/20
    201.220.186.0/24              201.220.176.0/20
    201.220.187.0/24              201.220.176.0/20
    201.220.188.0/22              201.220.176.0/20
    201.220.188.0/24              201.220.176.0/20
    201.220.189.0/24              201.220.176.0/20
    201.220.190.0/24              201.220.176.0/20
    201.220.191.0/24              201.220.176.0/20

Whois Entry

whois: 402591

IANA has recorded AS27818 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS27818\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded