Report for 27665

Name

AS27665 - Columbus Communications Trinidad Limited., TT

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 AS6447) 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.

27665 Columbus Communications Trinidad Limited., TT

  Adjacency:     9  Upstream:     1  Downstream:     8
  Upstream Adjacent AS list
    AS23520         LIBERTY-NETWORKS, US
  Downstream Adjacent AS list
    AS46764         UWI-OPEN-CAMPUS, BB
    AS27800         Digicel Trinidad and Tobago Ltd., TT
    AS14789         CLOUDFLARENET-A, US
    AS61478         AIR LINK COMMUNICATIONS, TT
    AS26317         Lisa Communications Ltd, TT
    AS263222        RVR INTERNATIONAL LIMITED, TT
    AS28067         The University of the West IndiesSt Augustine Camp, TT
    AS27789         GREENDOT, TT

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1623  AS27665        ORG+TRN Originate:     148736 /14.82  Transit:      71168 /15.88 Columbus Communications Trinidad Limited., TT

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       %
 1952 AS27665       Columbus Communications Trinidad Limited., TT     40     34      4     10     30  75.00%


  Prefix               AS Path                              Aggregation Suggestion
  131.100.160.0/22     3303 23520 27665       
  138.59.24.0/22       3303 23520 27665       
  143.0.172.0/22       3303 23520 27665       
  161.0.224.0/19       3303 23520 27665     + Announce - aggregate of 161.0.224.0/20 (3303 23520 27665) and 161.0.240.0/20 (3303 23520 27665)
  161.0.224.0/20       3303 23520 27665     - Withdrawn - aggregated with 161.0.240.0/20 (3303 23520 27665)
  161.0.240.0/20       3303 23520 27665     - Withdrawn - aggregated with 161.0.224.0/20 (3303 23520 27665)
  179.0.28.0/24        3303 23520 27665       
  181.188.0.0/17       3303 23520 27665     + Announce - aggregate of 181.188.0.0/18 (3303 23520 27665) and 181.188.64.0/18 (3303 23520 27665)
  181.188.0.0/20       3303 23520 27665     - Withdrawn - aggregated with 181.188.16.0/20 (3303 23520 27665)
  181.188.16.0/20      3303 23520 27665     - Withdrawn - aggregated with 181.188.0.0/20 (3303 23520 27665)
  181.188.32.0/20      3303 23520 27665     - Withdrawn - aggregated with 181.188.48.0/20 (3303 23520 27665)
  181.188.48.0/20      3303 23520 27665     - Withdrawn - aggregated with 181.188.32.0/20 (3303 23520 27665)
  181.188.64.0/20      3303 23520 27665     - Withdrawn - aggregated with 181.188.80.0/20 (3303 23520 27665)
  181.188.80.0/20      3303 23520 27665     - Withdrawn - aggregated with 181.188.64.0/20 (3303 23520 27665)
  181.188.96.0/20      3303 23520 27665     - Withdrawn - aggregated with 181.188.112.0/20 (3303 23520 27665)
  181.188.112.0/20     3303 23520 27665     - Withdrawn - aggregated with 181.188.96.0/20 (3303 23520 27665)
  190.6.224.0/20       3303 23520 27665       
  190.83.128.0/17      3303 23520 27665     + Announce - aggregate of 190.83.128.0/18 (3303 23520 27665) and 190.83.192.0/18 (3303 23520 27665)
  190.83.128.0/20      3303 23520 27665     - Withdrawn - aggregated with 190.83.144.0/20 (3303 23520 27665)
  190.83.144.0/20      3303 23520 27665     - Withdrawn - aggregated with 190.83.128.0/20 (3303 23520 27665)
  190.83.160.0/20      3303 23520 27665     - Withdrawn - aggregated with 190.83.176.0/20 (3303 23520 27665)
  190.83.176.0/20      3303 23520 27665     - Withdrawn - aggregated with 190.83.160.0/20 (3303 23520 27665)
  190.83.192.0/20      3303 23520 27665     - Withdrawn - aggregated with 190.83.208.0/20 (3303 23520 27665)
  190.83.208.0/20      3303 23520 27665     - Withdrawn - aggregated with 190.83.192.0/20 (3303 23520 27665)
  190.83.224.0/20      3303 23520 27665     - Withdrawn - aggregated with 190.83.240.0/20 (3303 23520 27665)
  190.83.240.0/20      3303 23520 27665     - Withdrawn - aggregated with 190.83.224.0/20 (3303 23520 27665)
  190.213.0.0/16       3303 23520 27665     + Announce - aggregate of 190.213.0.0/17 (3303 23520 27665) and 190.213.128.0/17 (3303 23520 27665)
  190.213.0.0/20       3303 23520 27665     - Withdrawn - aggregated with 190.213.16.0/20 (3303 23520 27665)
  190.213.16.0/20      3303 23520 27665     - Withdrawn - aggregated with 190.213.0.0/20 (3303 23520 27665)
  190.213.32.0/20      3303 23520 27665     - Withdrawn - aggregated with 190.213.48.0/20 (3303 23520 27665)
  190.213.48.0/20      3303 23520 27665     - Withdrawn - aggregated with 190.213.32.0/20 (3303 23520 27665)
  190.213.64.0/20      3303 23520 27665     - Withdrawn - aggregated with 190.213.80.0/20 (3303 23520 27665)
  190.213.80.0/20      3303 23520 27665     - Withdrawn - aggregated with 190.213.64.0/20 (3303 23520 27665)
  190.213.96.0/20      3303 23520 27665     - Withdrawn - aggregated with 190.213.112.0/20 (3303 23520 27665)
  190.213.112.0/20     3303 23520 27665     - Withdrawn - aggregated with 190.213.96.0/20 (3303 23520 27665)
  190.213.128.0/20     3303 23520 27665     - Withdrawn - aggregated with 190.213.144.0/20 (3303 23520 27665)
  190.213.144.0/20     3303 23520 27665     - Withdrawn - aggregated with 190.213.128.0/20 (3303 23520 27665)
  190.213.160.0/20     3303 23520 27665     - Withdrawn - aggregated with 190.213.176.0/20 (3303 23520 27665)
  190.213.176.0/20     3303 23520 27665     - Withdrawn - aggregated with 190.213.160.0/20 (3303 23520 27665)
  190.213.192.0/20     3303 23520 27665     - Withdrawn - aggregated with 190.213.208.0/20 (3303 23520 27665)
  190.213.208.0/20     3303 23520 27665     - Withdrawn - aggregated with 190.213.192.0/20 (3303 23520 27665)
  190.213.224.0/20     3303 23520 27665     - Withdrawn - aggregated with 190.213.240.0/20 (3303 23520 27665)
  190.213.240.0/20     3303 23520 27665     - Withdrawn - aggregated with 190.213.224.0/20 (3303 23520 27665)
  200.1.104.0/21       3303 23520 27665       

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

AS27665   34 More Specifics   40 Total Advertisements   Columbus Communications Trinidad Limited., TT
    161.0.224.0/20                161.0.224.0/19
    161.0.240.0/20                161.0.224.0/19
    181.188.0.0/20                181.188.0.0/17
    181.188.16.0/20               181.188.0.0/17
    181.188.32.0/20               181.188.0.0/17
    181.188.48.0/20               181.188.0.0/17
    181.188.64.0/20               181.188.0.0/17
    181.188.80.0/20               181.188.0.0/17
    181.188.96.0/20               181.188.0.0/17
    181.188.112.0/20              181.188.0.0/17
    190.83.128.0/20               190.83.128.0/17
    190.83.144.0/20               190.83.128.0/17
    190.83.160.0/20               190.83.128.0/17
    190.83.176.0/20               190.83.128.0/17
    190.83.192.0/20               190.83.128.0/17
    190.83.208.0/20               190.83.128.0/17
    190.83.224.0/20               190.83.128.0/17
    190.83.240.0/20               190.83.128.0/17
    190.213.0.0/20                190.213.0.0/18
    190.213.16.0/20               190.213.0.0/18
    190.213.32.0/20               190.213.0.0/18
    190.213.48.0/20               190.213.0.0/18
    190.213.64.0/20               190.213.64.0/18
    190.213.80.0/20               190.213.64.0/18
    190.213.96.0/20               190.213.64.0/18
    190.213.112.0/20              190.213.64.0/18
    190.213.128.0/20              190.213.128.0/17
    190.213.144.0/20              190.213.128.0/17
    190.213.160.0/20              190.213.128.0/17
    190.213.176.0/20              190.213.128.0/17
    190.213.192.0/20              190.213.128.0/17
    190.213.208.0/20              190.213.128.0/17
    190.213.224.0/20              190.213.128.0/17
    190.213.240.0/20              190.213.128.0/17

Whois Entry

whois: 402590

IANA has recorded AS27665 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS27665\n             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
              
             
             Query rate limit exceeded