WHOIS

Lookup an IP or domain. Uses IANA referral first, then registry WHOIS.
Query
201.131.44.190
IANA
whois.iana.org
Referred
whois.lacnic.net
WHOIS servers can rate limit. Results are cached for performance.
### 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 18:52:55 (-03 -03:00)

inetnum:     201.131.44.0/24
status:      assigned
aut-num:     N/A
owner:       Aeropuertos y Servicios Auxiliares
ownerid:     MX-AYSA3-LACNIC
responsible: José Daniel Peña Benitez
address:     Av. 602, 161, Zona Federal Apto Int Cd. de México
address:     15620 - CDMX - CX
country:     MX
phone:       +52  5551331000 [1063]
owner-c:     OGC4
tech-c:      BCH
abuse-c:     BCH
inetrev:     201.131.44.0/24
nserver:     NS6.ASA.GOB.MX
nsstat:      20260201 AA
nslastaa:    20260201
nserver:     NS7.ASA.GOB.MX
nsstat:      20260201 AA
nslastaa:    20260201
created:     20051220
changed:     20211007

nic-hdl:     OGC4
person:      Óscar Guadarrama Cruz
e-mail:      oguadarramac@asa.gob.mx
address:     Av. 602, 161, Zona Federal AICM
address:     15620 - Venustiano Carranza - CX
country:     MX
phone:       +52  5551331000 [1020]
created:     20230828
changed:     20230828

nic-hdl:     BCH
person:      Bonifacio Calva Hernández
e-mail:      bcalvah@asa.gob.mx
address:     Av. 602, 161, Zona Federal AICM
address:     15620 - Venustiano Carranza - CX
country:     MX
phone:       +52  5551331000 [1095]
created:     20160202
changed:     20170107

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