% 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.
%  2025-12-31 20:34:53 (-03 -03:00)

inetnum:     190.48.0.0/16
status:      allocated
aut-num:     N/A
owner:       Telefonica de Argentina
ownerid:     AR-TEAR7-LACNIC
responsible: Luis Francisco Pérez Sánchez
address:     Av. Independencia, 169, PB
address:     1099 - Buenos Aires - CF
country:     AR
phone:       +54  8102220102 [0000]
owner-c:     TEA
tech-c:      TEA
abuse-c:     TEA
inetrev:     190.48.0.0/16
nserver:     DNS1.MRSE.COM.AR
nsstat:      20251229 AA
nslastaa:    20251229
nserver:     DNS2.MRSE.COM.AR
nsstat:      20251229 AA
nslastaa:    20251229
nserver:     DNS3.MRSE.COM.AR
nsstat:      20251229 AA
nslastaa:    20251229
created:     20051118
changed:     20051118

nic-hdl:     TEA
person:      Telefonica de Argentina
e-mail:      tasamail.ar@tmoviles.com.ar
address:     AV. ING. HUERGO, 723, 
address:     1065 - Capital Federal - BA
country:     AR
phone:       +54 11 43335000
created:     20030618
changed:     20250828

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