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

% IP Client: 203.119.106.26
 
% 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.
%  2026-01-04 11:04:15 (-03 -03:00)

inetnum:     200.45.51.0/24
status:      reallocated
aut-num:     AS7303
owner:       Cooperativa Regional de Servicios
ownerid:     AR-CRSE-LACNIC
responsible: Martin Jose Bonati
address:     Eduardo Buschizaao, 1775, -
address:     2146 - San Genaro (Santa Fé) - Santa Fe
country:     AR
phone:       +54  3401448000 [0000]
owner-c:     MVH
tech-c:      MVH
abuse-c:     MVH
created:     20191219
changed:     20191219
inetnum-up:  200.45.0.0/16

nic-hdl:     MVH
person:      Malizzia Victor Hugo
e-mail:      vhm@redcrs.com.ar
address:     Eduardo Buschiazzo, 1718, -
address:     2146 - San Genaro - SF
country:     AR
phone:       +54  34013401434995 [0000]
created:     20030905
changed:     20250721

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