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AS27665 Columbus Communications Trinidad Limited.

AS27665 - Columbus Communications Trinidad Limited. · registered in Trinidad and Tobago

IPv4 addresses148,73610 prefixes · 0.005% of announced IPv4
Rank in Trinidad and Tobago#2largest network in TT by IPv4 space, of 14 · 27.09% of TT
Rank worldwide#1,337of 79,396 networks with IPv4
IPv616 x /32 (1,048,576 x /48)14 prefixes
CountryTrinidad and Tobago14 ASNs registered there

IPv4 prefixes

All 10 prefixes, in address order.

  • 131.100.160.0/22
  • 138.59.24.0/22
  • 143.0.172.0/22
  • 161.0.224.0/19
  • 179.0.28.0/24
  • 181.188.0.0/17
  • 190.6.224.0/20
  • 190.83.128.0/17
  • 190.213.0.0/16
  • 200.1.104.0/21

IPv6 prefixes

All 14 prefixes.

  • 2800:e00::/34
  • 2800:e00:4000::/34
  • 2800:e00:8000::/33
  • 2800:e01::/34
  • 2800:e01:4000::/35
  • 2800:e01:6000::/36
  • 2800:e01:7000::/36
  • 2800:e01:8000::/33
  • 2800:e02::/32
  • 2800:e03::/33
  • 2800:e03:8000::/34
  • 2800:e03:c000::/34
  • 2800:e04::/30
  • 2800:e08::/29

Similar-sized networks in Trinidad and Tobago

ASNNameIPv4 addresses
AS5639#1 AS5639 - Telecommunication Services of Trinidad and Tobago296,960
AS27789#3 AS27789 - GREENDOT33,792
AS27924#4 AS27924 - AMPLIA COMMUNICATIONS LTD.17,920
AS11947#5 AS11947 - Cablenett Limited16,384

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources