WHOIS

Lookup an IP or domain. Uses IANA referral first, then registry WHOIS.
Query
186.150.201.138
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:      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
 
% 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.
%  2026-02-01 19:23:19 (-03 -03:00)

inetnum:     186.150.0.0/16
status:      allocated
aut-num:     AS12066
aut-num:     AS28118
owner:       ALTICE DOMINICANA S.A.
ownerid:     DO-ORDO-LACNIC
responsible: Altice Dominicana
address:     Av. Nunez de Caceres, Torre Altice, 8, -
address:     10111 - Santo Domingo - Distrito Nacional
country:     DO
phone:       +1  8098594141 [0000]
owner-c:     ALD88
tech-c:      ALD88
abuse-c:     ALD87
inetrev:     186.150.0.0/16
nserver:     NS1.TRICOM.NET
nsstat:      20260131 AA
nslastaa:    20260131
nserver:     NS2.TRICOM.NET
nsstat:      20260131 AA
nslastaa:    20260131
nserver:     NS3.TRICOM.NET
nsstat:      20260131 AA
nslastaa:    20260131
nserver:     NS4.TRICOM.NET
nsstat:      20260131 AA
nslastaa:    20260131
created:     20130603
changed:     20210120

nic-hdl:     ALD88
person:      Altice Dominicana
e-mail:      transportoperations@altice.com.do
address:     Nuñez de Caceres, 8, -
address:     - - Santo Domingo - 
country:     DO
phone:       +1809  8591332 [0000]
created:     20210120
changed:     20250506

nic-hdl:     ALD87
person:      Altice Dominicana
e-mail:      hterrero@altice.com.do
address:     Nuñez de Caceres, 8, 
address:      - Santo Domingo - 
country:     DO
phone:       +1809  8591332
created:     20210120
changed:     20250506

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