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 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.

27665 AS27665 - Columbus Communications Trinidad Limited., TT

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

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1603  AS27665        ORG+TRN Originate:     148736 /14.82  Transit:      74240 /15.82 AS27665 - 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       %
 5300 AS27665       AS27665 - Columbus Communications Trinidad Li     40     18      9     31      9  22.50%


  Prefix               AS Path                              Aggregation Suggestion
  131.100.160.0/22     4777 2516 6830 23520 27665   
  138.59.24.0/22       4777 2516 6830 23520 27665   
  143.0.172.0/22       4608 7575 1299 23520 27665   
  161.0.224.0/20       4608 7575 1299 23520 27665   
  161.0.240.0/20       4777 2516 6830 23520 27665   
  179.0.28.0/24        4777 2516 6830 23520 27665   
  181.188.0.0/20       4777 2516 6830 23520 27665   
  181.188.16.0/20      4777 2516 6762 23520 27665   
  181.188.32.0/20      4608 7575 1299 23520 27665   
  181.188.48.0/20      4777 2516 6830 23520 27665   
  181.188.64.0/19      4777 2516 6762 23520 27665 + Announce - aggregate of 181.188.64.0/20 (4777 2516 6762 23520 27665) and 181.188.80.0/20 (4777 2516 6762 23520 27665)
  181.188.64.0/20      4777 2516 6762 23520 27665 - Withdrawn - aggregated with 181.188.80.0/20 (4777 2516 6762 23520 27665)
  181.188.80.0/20      4777 2516 6762 23520 27665 - Withdrawn - aggregated with 181.188.64.0/20 (4777 2516 6762 23520 27665)
  181.188.96.0/19      4608 7575 1299 23520 27665 + Announce - aggregate of 181.188.96.0/20 (4608 7575 1299 23520 27665) and 181.188.112.0/20 (4608 7575 1299 23520 27665)
  181.188.96.0/20      4608 7575 1299 23520 27665 - Withdrawn - aggregated with 181.188.112.0/20 (4608 7575 1299 23520 27665)
  181.188.112.0/20     4608 7575 1299 23520 27665 - Withdrawn - aggregated with 181.188.96.0/20 (4608 7575 1299 23520 27665)
  190.6.224.0/20       4608 7575 1299 23520 27665   
  190.83.128.0/20      4777 2516 6762 23520 27665   
  190.83.144.0/20      4777 2516 6830 23520 27665   
  190.83.160.0/19      4777 2516 6830 23520 27665 + Announce - aggregate of 190.83.160.0/20 (4777 2516 6830 23520 27665) and 190.83.176.0/20 (4777 2516 6830 23520 27665)
  190.83.160.0/20      4777 2516 6830 23520 27665 - Withdrawn - aggregated with 190.83.176.0/20 (4777 2516 6830 23520 27665)
  190.83.176.0/20      4777 2516 6830 23520 27665 - Withdrawn - aggregated with 190.83.160.0/20 (4777 2516 6830 23520 27665)
  190.83.192.0/19      4777 2516 6830 23520 27665 + Announce - aggregate of 190.83.192.0/20 (4777 2516 6830 23520 27665) and 190.83.208.0/20 (4777 2516 6830 23520 27665)
  190.83.192.0/20      4777 2516 6830 23520 27665 - Withdrawn - aggregated with 190.83.208.0/20 (4777 2516 6830 23520 27665)
  190.83.208.0/20      4777 2516 6830 23520 27665 - Withdrawn - aggregated with 190.83.192.0/20 (4777 2516 6830 23520 27665)
  190.83.224.0/20      4777 2516 6830 23520 27665   
  190.83.240.0/20      4777 2516 6762 23520 27665   
  190.213.0.0/20       4777 2516 6830 23520 27665   
  190.213.16.0/20      4777 2516 6762 23520 27665   
  190.213.32.0/19      4777 2516 6762 23520 27665 + Announce - aggregate of 190.213.32.0/20 (4777 2516 6762 23520 27665) and 190.213.48.0/20 (4777 2516 6762 23520 27665)
  190.213.32.0/20      4777 2516 6762 23520 27665 - Withdrawn - aggregated with 190.213.48.0/20 (4777 2516 6762 23520 27665)
  190.213.48.0/20      4777 2516 6762 23520 27665 - Withdrawn - aggregated with 190.213.32.0/20 (4777 2516 6762 23520 27665)
  190.213.64.0/19      4777 2516 6762 23520 27665 + Announce - aggregate of 190.213.64.0/20 (4777 2516 6762 23520 27665) and 190.213.80.0/20 (4777 2516 6762 23520 27665)
  190.213.64.0/20      4777 2516 6762 23520 27665 - Withdrawn - aggregated with 190.213.80.0/20 (4777 2516 6762 23520 27665)
  190.213.80.0/20      4777 2516 6762 23520 27665 - Withdrawn - aggregated with 190.213.64.0/20 (4777 2516 6762 23520 27665)
  190.213.96.0/19      4777 2516 6830 23520 27665 + Announce - aggregate of 190.213.96.0/20 (4777 2516 6830 23520 27665) and 190.213.112.0/20 (4777 2516 6830 23520 27665)
  190.213.96.0/20      4777 2516 6830 23520 27665 - Withdrawn - aggregated with 190.213.112.0/20 (4777 2516 6830 23520 27665)
  190.213.112.0/20     4777 2516 6830 23520 27665 - Withdrawn - aggregated with 190.213.96.0/20 (4777 2516 6830 23520 27665)
  190.213.128.0/20     4777 2516 6762 23520 27665   
  190.213.144.0/20     4777 2516 6830 23520 27665   
  190.213.160.0/19     4777 2516 6830 23520 27665 + Announce - aggregate of 190.213.160.0/20 (4777 2516 6830 23520 27665) and 190.213.176.0/20 (4777 2516 6830 23520 27665)
  190.213.160.0/20     4777 2516 6830 23520 27665 - Withdrawn - aggregated with 190.213.176.0/20 (4777 2516 6830 23520 27665)
  190.213.176.0/20     4777 2516 6830 23520 27665 - Withdrawn - aggregated with 190.213.160.0/20 (4777 2516 6830 23520 27665)
  190.213.192.0/19     4777 2516 6830 23520 27665 + Announce - aggregate of 190.213.192.0/20 (4777 2516 6830 23520 27665) and 190.213.208.0/20 (4777 2516 6830 23520 27665)
  190.213.192.0/20     4777 2516 6830 23520 27665 - Withdrawn - aggregated with 190.213.208.0/20 (4777 2516 6830 23520 27665)
  190.213.208.0/20     4777 2516 6830 23520 27665 - Withdrawn - aggregated with 190.213.192.0/20 (4777 2516 6830 23520 27665)
  190.213.224.0/20     4608 7575 1299 23520 27665   
  190.213.240.0/20     4777 2516 6830 23520 27665   
  200.1.104.0/21       4777 2516 6830 23520 27665   

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

AS27665   34 More Specifics   40 Total Advertisements   AS27665 - 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: 402591

IANA has recorded AS27665 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS27665\n             % IP Client: 2401:2000:6660::13
              
             % Joint Whois - whois.lacnic.net
             %  This server accepts single ASN, IPv4 or IPv6 queries
             
             % LACNIC resource: whois.lacnic.net
             
             
             % Copyright LACNIC lacnic.net
             %  The data below is provided for information purposes
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             %  related to AS and IP numbers registrations
             %  By submitting a whois query, you agree to use this data
             %  only for lawful purposes.
             %  2026-06-05 01:22:11 (-03 -03:00)
             
             aut-num:     AS27665
             owner:       Columbus Communications Trinidad Limited.
             ownerid:     TT-TATT1-LACNIC
             responsible: Satyam Mathura
             address:     29 Victoria Square, n/a, 
             address:     - - Port-of-Spain - 
             country:     TT
             phone:       +86 8 224-2001
             owner-c:     ROM16
             routing-c:   ROM16
             abuse-c:     ROM16
             created:     20030131
             changed:     20240809
             
             nic-hdl:     ROM16
             person:      Satyam Mathura
             e-mail:      colwayne.babb@cwc.com
             address:     29 Victoria Square, -, -
             address:     - - Port Of Spain - -
             country:     TT
             phone:       +1  8682233569 [2241]
             created:     20081015
             changed:     20240809
             
             % whois.lacnic.net accepts only direct match queries.
             % Types of queries are: POCs, ownerid, CIDR blocks, IP
             % and AS numbers.