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e.g. yahoo.com or 66.94.234.13
Whois Result for 200.78.121.243
; % IP Client: 65.108.55.181

% 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.
% 2026-06-13 14:00:23 (-03 -03:00)

inetnum: 200.78.121.0/24
status: reassigned
aut-num: N/A
owner: Reasignacion UniNet
ownerid: MX-REUN-LACNIC
responsible: Gestión de cambios y configuraciones
address: Periferico Sur, 3190,
address: 01900 - Mexico DF - CX
country: MX
phone: +52 55 56244400
owner-c: SRU
tech-c: SRU
abuse-c: SRU
inetrev: 200.78.121.0/24
nserver: nsgdl2.uninet.net.mx
nsstat: 20260613 TIMEOUT
nslastaa: 20260610
nserver: nsmex2.uninet.net.mx
nsstat: 20260613 AA
nslastaa: 20260613
nserver: nsmty2.uninet.net.mx
nsstat: 20260613 AA
nslastaa: 20260613
created: 20031216
changed: 20120901
inetnum-up: 200.78.0.0/17

nic-hdl: SRU
person: SEGURIDAD DE RED UNINET
e-mail: abuse@uninet.net.mx
address: PERIFERICO SUR, 3190, ALVARO OBREG
address: 01900 - MEXICO - CX
country: MX
phone: +52 55 52237234
created: 20030701
changed: 20170107

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