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AS263811 COOPERATIVA UNION DEL SUD

Q: Why is WHOIS data shown for an ASN?

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

ASN Lookup Tool

COOPERATIVA UNION DEL SUD uniondelsud.com.ar

AR 5 Routes

AS Data

AS263811

AS263811 – COOPERATIVA UNION DEL SUD

AS Number	263811
AS Name	AR-CUSU-LACNIC
Organization	COOPERATIVA UNION DEL SUD()
Country	AR
Website	uniondelsud.com.ar
Number of IPv4 Routes	5
Number of IPv6 Routes	0
ASN type	ISP
Registry	lacnic
Date Allocated	2015-08-03

ASN Intelligence API for production workflows

Use ASN data for AS263811 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
138.204.163.0/24	AS263811	COOPERATIVA UNION DEL SUD	COOPERATIVA UNION DEL SUD	256
138.204.160.0/24	AS263811	COOPERATIVA UNION DEL SUD	COOPERATIVA UNION DEL SUD	256
138.204.160.0/22	AS263811	COOPERATIVA UNION DEL SUD	COOPERATIVA UNION DEL SUD	1024
138.204.162.0/24	AS263811	COOPERATIVA UNION DEL SUD	COOPERATIVA UNION DEL SUD	256
138.204.161.0/24	AS263811	COOPERATIVA UNION DEL SUD	COOPERATIVA UNION DEL SUD	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.
%  2026-03-14 09:25:08 (-03 -03:00)

aut-num:     AS263811
owner:       COOPERATIVA UNION DEL SUD
ownerid:     AR-CUSU-LACNIC
responsible: Miguel Berta
address:     MARTÍNEZ DE HOZ, 71, 
address:     7600 - MAR EL PLATA - BA
country:     AR
phone:       +54 223 4674000
owner-c:     UBC5
routing-c:   UBC5
abuse-c:     UBC5
created:     20150803
changed:     20150803

nic-hdl:     UBC5
person:      Miguel Berta
e-mail:      mberta@uniondelsud.com.ar
address:     Av. Martinez de Hoz y Calle 71, Sin N, -
address:     7600 - Mar del Plata - BA
country:     AR
phone:       +54  2234671292 [0000]
created:     20130920
changed:     20211230

% 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
AS22927	Telefonica de Argentina	AR

Upstreams

AS Number	Description	Country
AS22927	Telefonica de Argentina	AR

Frequently Asked Questions

What is ASN AS263811?

ASN AS263811 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS263811?

AS263811 is listed under COOPERATIVA UNION DEL SUD.

What do peers, upstreams, and downstreams mean?

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 included here?

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

How can I access full ASN table data?

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.