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:      187.0.0.0 - 187.255.255.255
organisation: LACNIC
status:       ALLOCATED

whois:        whois.lacnic.net

changed:      2007-09
source:       IANA

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

% IP Client: 2001:41d0:305:2100:0:0:0:5cfe
 % Copyright (c) Nic.br - Use of this data is governed by the Use and
% Privacy Policy at https://registro.br/upp . Distribution,
% commercialization, reproduction, and use for advertising or similar
% purposes are expressly prohibited.
% 2026-02-02T13:58:43-03:00 - 2001:41d0:305:2100::5cfe

inetnum:     187.72.45.0/25
aut-num:     AS16735
abuse-c:     CST87
owner:       tgmrosa informatica e internet me
ownerid:     14.654.745/0001-89
responsible: thiago gon�alves
country:     BR
owner-c:     TGMRO4
tech-c:      TGMRO4
created:     20220110
changed:     20220110
inetnum-up:  187.72.0.0/16

nic-hdl-br:  TGMRO4
person:      thiago gon�alves martins rosa
e-mail:      ratorp@hotmail.com
country:     BR
created:     20200503
changed:     20200601

nic-hdl-br:  CST87
person:      Computer Security Incident Response Team
e-mail:      abuse@algartelecom.com.br
country:     BR
created:     20051208
changed:     20141114

% Security and mail abuse issues should also be addressed to cert.br,
% respectivelly to cert@cert.br and mail-abuse@cert.br
%
% whois.registro.br only accepts exact match queries for domains,
% registrants, contacts, tickets, providers, IPs, and ASNs.