WHOIS

Lookup an IP or domain. Uses IANA referral first, then registry WHOIS.

### IANA response (whois.iana.org)

% IANA WHOIS server
% for more information on IANA, visit http://www.iana.org
% This query returned 1 object

refer:        whois.lacnic.net

inetnum:      201.0.0.0 - 201.255.255.255
organisation: LACNIC
status:       ALLOCATED

whois:        whois.lacnic.net

changed:      2003-04
source:       IANA

### Registry response (whois.lacnic.net)

% IP Client: 2001:41d0:305:2100:0:0:0:5cfe
 
% 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.
%  2026-02-02 18:51:48 (-03 -03:00)

inetnum:     201.147.158.0/24
status:      reassigned
aut-num:     N/A
owner:       Gestión de direccionamiento UniNet
ownerid:     MX-GDUN-LACNIC
responsible: Gestión de cambios y configuraciones
address:     Periferico Sur, 3190, 
address:     01900 - México DF - CX
country:     MX
phone:       +52 55 56244400
owner-c:     DCA
tech-c:      DCA
abuse-c:     SRU
created:     20070920
changed:     20120902
inetnum-up:  201.144.0.0/14

nic-hdl:     DCA
person:      GESTION DE CAMBIOS
e-mail:      gccips1@reduno.com.mx
address:     PERIFERICO SUR, 3190, ALVARO OBREG
address:     01900 - MEXICO DF - CX
country:     MX
phone:       +52 5 556244400
created:     20021210
changed:     20170107

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.