% 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 17:12:21 (-03 -03:00)

inetnum:     146.155.0.0/16
status:      assigned
aut-num:     AS20191
owner:       Pontificia Universidad Catolica de Chile
ownerid:     CL-PUCC1-LACNIC
responsible: Andres Robles
address:     Vicuna Mackenna, 4860, -
address:     7820436 - Santiago - RM
country:     CL
phone:       +56  223544094 [0000]
owner-c:     PUC
tech-c:      ANR77
abuse-c:     PUC
inetrev:     146.155.0.0/16
nserver:     NS11.UC.CL
nsstat:      20251227 AA
nslastaa:    20251227
nserver:     NS12.UC.CL
nsstat:      20251227 AA
nslastaa:    20251227
created:     19910215
changed:     20230117

nic-hdl:     PUC
person:      P. Universidad Católica de Chile
e-mail:      nic@uc.cl
address:     Vicuña Mackenna, 4860, Macul
address:     7820436 - Santiago - 
country:     CL
phone:       +56  223541341 [0000]
created:     20051124
changed:     20220907

nic-hdl:     ANR77
person:      Andres Robles
e-mail:      andres.robles@uc.cl
address:     Av. Vicuna Mackenna 4860, 4860, Edificio CDDOC
address:     - - Santiago - RM
country:     CL
phone:       +56  971399746 [0000]
created:     20180807
changed:     20220907

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