% 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.
%  2026-01-21 23:47:42 (-03 -03:00)

inetnum:     200.123.240.0/20
status:      allocated
aut-num:     AS52402
owner:       INTERCITY COMUNICACIONES S.A.
ownerid:     AR-ICSA22-LACNIC
responsible: Ivan Pecovich
address:     AVENIDA ITALIA, 1837, -
address:     - - RIO CUARTO - CB
country:     AR
phone:       +54 358 4210000 [104]
owner-c:     ICS4
tech-c:      ICS4
abuse-c:     ICS4
inetrev:     200.123.240.0/20
nserver:     NS1.INTERCITY.NET.AR
nsstat:      20260121 AA
nslastaa:    20260121
nserver:     NS2.INTERCITY.NET.AR
nsstat:      20260121 AA
nslastaa:    20260121
created:     20120910
changed:     20120910

nic-hdl:     ICS4
person:      INTERCITY COMUNICACIONES S.A.
e-mail:      ivan@intercity.net.ar
address:     AVENIDA ITALIA, 1837, 
address:     5800 - RIO CUARTO - 
country:     AR
phone:       +54 0358 4210000 [109]
created:     20110928
changed:     20240909

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