ASN AS5639 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS5639?

AS5639 is listed under Telecommunication Services of Trinidad and Tobago.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

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AS5639 Telecommunication Services of Trinidad and Tobago

Telecommunication Services of Trinidad and Tobago tstt.co.tt

TT 160 Routes

AS Data

AS5639

AS5639 – Telecommunication Services of Trinidad and Tobago

AS Number	5639
AS Name	TT-TSOT1-LACNIC
Organization	Telecommunication Services of Trinidad and Tobago
Country	TT
Website	tstt.co.tt
Number of IPv4 Routes	159
Number of IPv6 Routes	1
ASN type	ISP
Registry	lacnic
Date Allocated	1995-07-18

ASN Intelligence API for production workflows

Use ASN data for AS5639 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Raw Whois Response

% 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
%  and to assist persons in obtaining information about or
%  related to AS and IP numbers registrations
%  By submitting a whois query, you agree to use this data
%  only for lawful purposes.
%  2026-07-16 09:39:25 (-03 -03:00)

aut-num:     AS5639
owner:       Telecommunication Services of Trinidad and Tobago
ownerid:     TT-TSOT1-LACNIC
responsible: Manager Broadband Technology
address:     1 Edward Street, 1, 
address:     00000 - Port of Spain - 
country:     TT
phone:       +1868 481 2408
owner-c:     BRT2
routing-c:   BRT2
abuse-c:     BRT2
created:     19950718
changed:     20091015

nic-hdl:     BRT2
person:      Broadband Technology
e-mail:      hostmaster@tstt.co.tt
address:     1 Edward Street, 00000, 00000
address:     00000 - Port of Spain - TT
country:     TT
phone:       +1868 481 2408
created:     20090703
changed:     20221028

% whois.lacnic.net accepts only direct match queries.
% Types of queries are: POCs, ownerid, CIDR blocks, IP
% and AS numbers.


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       5639
ASName:         LACNIC-5639
ASHandle:       AS5639
RegDate:        2002-07-27
Updated:        2007-12-17
Comment:        This AS is under LACNIC responsibility for further allocations to
Comment:        users in LACNIC region.
Comment:        Please see http://www.lacnic.net/ for further details, or check the
Comment:        WHOIS server located at http://whois.lacnic.net
Ref:            https://rdap.arin.net/registry/autnum/5639

ResourceLink:  http://lacnic.net/cgi-bin/lacnic/whois
ResourceLink:  whois.lacnic.net


OrgName:        Latin American and Caribbean IP address Regional Registry
OrgId:          LACNIC
Address:        Rambla Republica de Mexico 6125
City:           Montevideo
StateProv:      
PostalCode:     11400
Country:        UY
RegDate:        2002-07-27
Updated:        2018-03-15
Ref:            https://rdap.arin.net/registry/entity/LACNIC

ReferralServer:  whois://whois.lacnic.net
ResourceLink:  http://lacnic.net/cgi-bin/lacnic/whois

OrgAbuseHandle: LWI100-ARIN
OrgAbuseName:   LACNIC Whois Info
OrgAbusePhone:  +598-2604-2222 
OrgAbuseEmail:  abuse@lacnic.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LWI100-ARIN

OrgTechHandle: LACNIC-ARIN
OrgTechName:   LACNIC Whois Info
OrgTechPhone:  +598-2604-2222 
OrgTechEmail:  whois-contact@lacnic.net
OrgTechRef:    https://rdap.arin.net/registry/entity/LACNIC-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.arin.net",
  "aut_nums" : [ {
    "aut_num" : "5639",
    "as_handle" : "AS5639",
    "as_name" : "LACNIC-5639",
    "tech_contacts" : [ "LACNIC-ARIN" ],
    "abuse_contacts" : [ "LWI100-ARIN" ],
    "date_created" : "2002-07-27",
    "date_updated" : "2007-12-17",
    "source" : "https://rdap.arin.net/registry/autnum/5639"
  } ],
  "organization" : {
    "handle" : "LACNIC",
    "name" : "Latin American and Caribbean IP address Regional Registry",
    "address" : [ "Rambla Republica de Mexico 6125", "Montevideo", "11400", "UY" ],
    "street" : "Rambla Republica De Mexico",
    "city" : "Montevideo",
    "zip_code" : "11400",
    "country" : [ "UY" ],
    "date_created" : "2002-07-27",
    "date_updated" : "2018-03-15",
    "source" : "https://rdap.arin.net/registry/entity/LACNIC",
    "addressCountry" : "UY"
  },
  "technical_contacts" : [ {
    "handle" : "LACNIC-ARIN",
    "name" : "LACNIC Whois Info",
    "email" : [ "whois-contact@lacnic.net" ],
    "phone" : [ "+598-2604-2222" ],
    "source" : "https://rdap.arin.net/registry/entity/LACNIC-ARIN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "LWI100-ARIN",
    "name" : "LACNIC Whois Info",
    "email" : [ "abuse@lacnic.net" ],
    "phone" : [ "+598-2604-2222" ],
    "source" : "https://rdap.arin.net/registry/entity/LWI100-ARIN"
  } ]
}

Peers

AS Number	Description	Country
AS26317	Lisa Communications Ltd	TT
AS27924	AMPLIA COMMUNICATIONS LTD.	TT
AS1239	Cogent Communications, LLC	US
AS23520	Columbus Networks USA, Inc.	US
AS174	Cogent Communications, LLC	US
AS28067	The University of the West IndiesSt Augustine Camp	TT

Upstreams

AS Number	Description	Country
AS23520	Columbus Networks USA, Inc.	US
AS174	Cogent Communications, LLC	US

Downstreams

AS Number	Description	Country
AS26317	Lisa Communications Ltd	TT
AS27924	AMPLIA COMMUNICATIONS LTD.	TT
AS28067	The University of the West IndiesSt Augustine Camp	TT

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