% APNIC found the following authoritative answer from: whois.lacnic.net

% IP Client: 203.119.110.26
 
% 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.
%  2026-01-16 18:14:15 (-03 -03:00)

inetnum:     66.128.32.0/20
status:      allocated
aut-num:     AS263236
owner:       Itelsa
ownerid:     AR-ITEL-LACNIC
responsible: Gustavo Martino
address:     Entre Ríos, 2710, -
address:     3228 - Chajarí - Entre Rios
country:     AR
phone:       +54  03456424141 [0000]
owner-c:     ITS6
tech-c:      ITS6
abuse-c:     ITS6
inetrev:     66.128.32.0/20
nserver:     NS1.BAICOM.NET
nsstat:      20260116 AA
nslastaa:    20260116
nserver:     NS2.BAICOM.NET
nsstat:      20260116 AA
nslastaa:    20260116
created:     20140424
changed:     20140424

nic-hdl:     ITS6
person:      ITEL s.a.
e-mail:      carloscaceres@itel.com.ar
address:     Entre Ríos, 2710, 
address:     3228 - Chajarí - ER
country:     AR
phone:       +54 3456 424141
created:     20130215
changed:     20230626

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