% 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 01:52:09 (-03 -03:00)

inetnum:     2803:c600::/32
status:      allocated
aut-num:     AS27901
owner:       Pacifico Cable SPA.
ownerid:     CL-PCSA11-LACNIC
responsible: Pacifico Cable
address:     Tucapel, 2827, Valle Escondido
address:     4061440 - Concepción - Concepcion
country:     CL
phone:       +56  44950367857 [0000]
owner-c:     EDC138
tech-c:      CLM107
abuse-c:     CLM107
created:     20120809
changed:     20240319

nic-hdl:     EDC138
person:      Edmundo Cuevas
e-mail:      edmundo.cuevas@mundotelecomunicaciones.cl
address:     Tucapel, 2827, 
address:      - Concepcion - biobio
country:     CL
phone:       +56  923634926
created:     20230110
changed:     20240725

nic-hdl:     CLM107
person:      CLAUDIO MALIO
e-mail:      claudio.malio@mundopacifico.cl
address:     Tucapel, 2827, Valle Escondido
address:     - - Concepcion - Concepcion
country:     CL
phone:       +56  953175441 [0000]
created:     20200625
changed:     20220310

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