ASN Lookup Tool

Telecentro S.A. telecentro.net.ar AR AR 2423 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 1686
Number of IPv6 Routes 737
ASN type ISP
Registry lacnic
Date Allocated 2004-07-06

ASN Intelligence API for production workflows

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

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs
Powered by ASN data

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
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
181.44.80.0/21 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
181.44.5.0/24 256
2800:810:43e::/48 ~1×10²⁴

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.
%  2026-08-05 12:25:00 (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
AS273240 DATAWISE SA AR
AS19315 Banelco S.A. AR
AS6762 TELECOM ITALIA SPARKLE S.p.A. IT
AS12956 TELXIUS Cable ES
AS7195 EDGEUNO S.A.S CO
AS1239 Cogent Communications, LLC US
AS6939 Hurricane Electric LLC US
AS6057 Administracion Nacional de Telecomunicaciones UY
AS174 Cogent Communications, LLC US
AS22927 Telefonica de Argentina AR
AS263756 LINKUP INTERNET SRL AR
AS13335 Cloudflare, Inc. US
AS28283 Adylnet Telecom BR
AS1000 LINK AMERICAN US
AS12956 TELEFONICA GLOBAL SOLUTIONS SL ES
AS11014 CPS AR
AS3356 Level 3 Parent, LLC US
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

Ready to get started?Get Started with IP Intelligence API Today

Get Started
CTA Illustration

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.