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AS266743 GEO S.A. | IPGeolocation.io

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

GEO S.A. ivanz.org

AR 4 Routes

AS Data

AS266743

AS266743 – GEO S.A.

AS Number	266743
AS Name	AR-GESA30-LACNIC
Organization	GEO S.A.()
Country	AR
Website	ivanz.org
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	ISP
Registry	lacnic
Date Allocated	2018-02-28

ASN Intelligence API for production workflows

Use ASN data for AS266743 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
45.230.207.0/24	AS266743	GEO S.A.	GEO S.A.	256
45.230.206.0/24	AS266743	GEO S.A.	GEO S.A.	256
45.230.205.0/24	AS266743	GEO S.A.	GEO S.A.	256
45.230.204.0/24	AS266743	GEO S.A.	GEO S.A.	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 09:23:55 (-03 -03:00)

aut-num:     AS266743
owner:       GEO S.A.
ownerid:     AR-GESA30-LACNIC
responsible: Marcelo Gareis
address:     Garcia Merou 127, (entre Vedia y Santa Maria de Oro), , 
address:     3500 - Resistencia - 
country:     AR
phone:       +54 362 3624581100
owner-c:     GEC26
routing-c:   GEC26
abuse-c:     GEC26
created:     20180228
changed:     20180301

nic-hdl:     GEC26
person:      Geo Conexiones
e-mail:      marcelog7@ivanz.org
address:     Garcia Merou, 127, Entre Vedia y Santa Maria de Oro
address:     3500 - Resistencia - 
country:     AR
phone:       +54  3624581100 [0000]
created:     20161014
changed:     20211224

% 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
AS10834	Telefonica de Argentina	AR
AS22927	Telefonica de Argentina	AR

Upstreams

AS Number	Description	Country
AS10834	Telefonica de Argentina	AR
AS22927	Telefonica de Argentina	AR

Frequently Asked Questions

What is ASN AS266743?

ASN AS266743 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS266743?

AS266743 is listed under GEO S.A..

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.