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:      186.0.0.0 - 186.255.255.255
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.
% 2026-02-08T16:31:55-03:00 - 2001:41d0:305:2100::5cfe

inetnum:     186.215.137.184/29
aut-num:     AS18881
abuse-c:     CSTBR
owner:       SPENGLER S A
ownerid:     95.425.542/0001-12
responsible: Claudio F. H. Spengler
country:     BR
owner-c:     SPESA
tech-c:      SPESA
created:     20101008
changed:     20101008
inetnum-up:  186.212.0.0/14

nic-hdl-br:  SPESA
person:      Spengler S.A.
e-mail:      spengler@spengler.com.br
country:     BR
created:     20090529
changed:     20240422

nic-hdl-br:  CSTBR
person:      CSIRT TELEFONICA BR
e-mail:      abuse.br@telefonica.com
country:     BR
created:     20180713
changed:     20180713

% 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.