WHOIS

Lookup an IP or domain. Uses IANA referral first, then registry WHOIS.
Query
181.48.195.159
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:      181.0.0.0 - 181.255.255.255
organisation: LACNIC
status:       ALLOCATED

whois:        whois.lacnic.net

changed:      2010-06
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.
%  2026-02-07 16:52:29 (-03 -03:00)

inetnum:     181.48.0.0/13
status:      allocated
aut-num:     N/A
owner:       Telmex Colombia S.A.
ownerid:     CO-ACSA-LACNIC
responsible: Operaciones Core IP
address:     CLARO FIJO COLOMBIA - Cra 68A No. 24B-10, 11111, 
address:     11111 - Bogota - DC
country:     CO
phone:       +57 01 7480000
owner-c:     ATI
tech-c:      ATI
abuse-c:     ATI
inetrev:     181.48.0.0/16
nserver:     NS3.TELMEXLA.NET.CO
nsstat:      20260206 AA
nslastaa:    20260206
nserver:     NS2.TELMEXLA.NET.CO
nsstat:      20260206 AA
nslastaa:    20260206
inetrev:     181.49.0.0/16
nserver:     NS3.TELMEXLA.NET.CO
nsstat:      20260204 AA
nslastaa:    20260204
nserver:     NS2.TELMEXLA.NET.CO
nsstat:      20260204 AA
nslastaa:    20260204
inetrev:     181.50.0.0/16
nserver:     NS3.TELMEXLA.NET.CO
nsstat:      20260206 AA
nslastaa:    20260206
nserver:     NS2.TELMEXLA.NET.CO
nsstat:      20260206 AA
nslastaa:    20260206
inetrev:     181.51.0.0/16
nserver:     NS3.TELMEXLA.NET.CO
nsstat:      20260206 AA
nslastaa:    20260206
nserver:     NS2.TELMEXLA.NET.CO
nsstat:      20260206 AA
nslastaa:    20260206
inetrev:     181.52.0.0/16
nserver:     NS3.TELMEXLA.NET.CO
nsstat:      20260204 AA
nslastaa:    20260204
nserver:     NS2.TELMEXLA.NET.CO
nsstat:      20260204 AA
nslastaa:    20260204
inetrev:     181.53.0.0/16
nserver:     NS3.TELMEXLA.NET.CO
nsstat:      20260206 AA
nslastaa:    20260206
nserver:     NS2.TELMEXLA.NET.CO
nsstat:      20260206 AA
nslastaa:    20260206
inetrev:     181.54.0.0/16
nserver:     NS3.TELMEXLA.NET.CO
nsstat:      20260206 AA
nslastaa:    20260206
nserver:     NS2.TELMEXLA.NET.CO
nsstat:      20260206 AA
nslastaa:    20260206
inetrev:     181.55.0.0/16
nserver:     NS3.TELMEXLA.NET.CO
nsstat:      20260202 AA
nslastaa:    20260202
nserver:     NS2.TELMEXLA.NET.CO
nsstat:      20260202 AA
nslastaa:    20260202
created:     20110502
changed:     20110502

nic-hdl:     ATI
person:      Network Security Team
e-mail:      ciro.mantilla@claro.com.co
address:     Carrera 68a #24b-10, 00, Plaza Claro
address:     111321 - Bogota - DC
country:     CO
phone:       +57  6017500300 [81966]
created:     20020909
changed:     20250218

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