ASN Lookup Tool

Telecentro S.A. telecentro.net.ar AR AR 2452 Routes

AS Data

AS27747

AS27747 – Telecentro S.A.

AS Number 27747
AS Name AR-TESA26-LACNIC
Organization Telecentro S.A.
Country AR
Website telecentro.net.ar
Number of IPv4 Routes 1699
Number of IPv6 Routes 753
ASN type ISP
Registry lacnic
Date Allocated 2004-07-06

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Use ASN data for AS27747 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
2800:810:567::/48 ~1×10²⁴
181.47.229.0/24 256
200.115.244.0/22 1024
200.125.87.0/24 256
181.45.192.0/21 2048
186.18.54.0/24 256
190.55.140.0/22 1024
186.23.120.0/21 2048
181.44.173.0/24 256
186.22.6.0/24 256
186.22.239.0/24 256
186.22.250.0/24 256
2800:810:4cc::/48 ~1×10²⁴
181.46.118.0/24 256
186.22.228.0/22 1024
186.23.212.0/24 256
181.44.48.0/20 4096
2800:810:894::/48 ~1×10²⁴
190.55.16.0/22 1024
181.47.232.0/21 2048
2800:810:8dc::/48 ~1×10²⁴
200.115.224.0/20 4096
181.45.219.0/24 256
2800:810:4a7::/48 ~1×10²⁴
190.55.151.0/24 256
2800:810:483::/48 ~1×10²⁴
181.45.230.0/24 256
181.44.248.0/21 2048
181.45.124.0/22 1024
186.18.182.0/24 256
186.23.22.0/24 256
2800:810:43d::/48 ~1×10²⁴
186.22.32.0/21 2048
186.23.253.0/24 256
2800:810:58c::/48 ~1×10²⁴
186.22.156.0/24 256
181.46.213.0/24 256
186.22.64.0/20 4096
181.47.240.0/24 256
186.22.208.0/20 4096
2800:810:513::/48 ~1×10²⁴
181.44.108.0/24 256
181.46.212.0/24 256
186.22.7.0/24 256
181.46.176.0/21 2048
186.23.0.0/24 256
181.47.241.0/24 256
186.18.53.0/24 256
186.18.120.0/21 2048
200.115.254.0/24 256
186.19.136.0/21 2048
2800:810:895::/48 ~1×10²⁴
181.44.107.0/24 256
181.44.80.0/21 2048
200.125.86.0/24 256
181.46.73.0/24 256
2800:810:893::/48 ~1×10²⁴
181.47.188.0/22 1024
2800:810:566::/48 ~1×10²⁴
186.22.5.0/24 256

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.
%  2026-08-26 12:20:39 (Z Z)

aut-num:     AS27747
owner:       Telecentro S.A.
ownerid:     AR-TESA26-LACNIC
responsible: Administrador de Direcciones IP
address:     Coronel Apolinario Figueroa, 254, 
address:     C1414EDF - Buenos Aires - BA
country:     AR
phone:       +54 11 6380-9500
owner-c:     FRH
routing-c:   FRH
abuse-c:     FRH
created:     20040706
changed:     20061207

nic-hdl:     FRH
person:      Administrador de Direcciones
e-mail:      ipadmin@telecentro.net.ar
address:     Coronel Apolinario Figueroa, 254, -
address:     C1414EDF - Buenos Aires - 
country:     AR
phone:       +54  1139770000 [1129]
created:     20060731
changed:     20251118

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

Parsed Whois Response

Peers

AS Number Description Country
AS19315 Banelco S.A. AR
AS65000 IANA - Autonomous System Number
AS7195 EDGEUNO S.A.S CO
AS6762 TELECOM ITALIA SPARKLE S.p.A. IT
AS65512
AS65500 IANA - Autonomous System Number
AS65505
AS6939 Hurricane Electric LLC US
AS65510
AS263756 LINKUP INTERNET SRL AR
AS22927 Telefonica de Argentina AR
AS7049 Silica Networks Argentina S.A. AR
AS65503
AS52376 CABASE Camara Arg de Base de Datos y Serv en Linea AR
AS65507 IANA - Autonomous System Number
AS1000 LINK AMERICAN US
AS11014 CPS AR
AS65506
AS273240 DATAWISE SA AR
AS65511
AS12956 TELXIUS Cable ES
AS1239 Cogent Communications, LLC US
AS65509 IANA - Autonomous System Number
AS65504
AS6057 Administracion Nacional de Telecomunicaciones UY
AS65001 IANA - Autonomous System Number
AS174 Cogent Communications, LLC US
AS65517 IANA - Autonomous System Number
AS65501 IANA - Autonomous System Number
AS13335 Cloudflare, Inc. US
AS65502
AS3356 Level 3 Parent, LLC US
AS65508 IANA - Autonomous System Number
AS49544 i3D.net B.V NL

Upstreams

AS Number Description Country
AS6762 TELECOM ITALIA SPARKLE S.p.A. IT
AS12956 TELXIUS Cable ES
AS7195 EDGEUNO S.A.S CO
AS6939 Hurricane Electric LLC US
AS6057 Administracion Nacional de Telecomunicaciones UY
AS3356 Level 3 Parent, LLC US
AS174 Cogent Communications, LLC US
AS22927 Telefonica de Argentina AR

Downstreams

AS Number Description Country
AS273240 DATAWISE SA AR
AS13335 Cloudflare, Inc. US
AS19315 Banelco S.A. AR
AS11014 CPS AR
AS263756 LINKUP INTERNET SRL AR

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Frequently Asked Questions

ASN AS27747 is an Autonomous System Number used to identify a network for BGP internet routing.
AS27747 is listed under Telecentro S.A..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.