% 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.
%  2026-01-07 05:10:22 (-03 -03:00)

inetnum:     200.55.240.0/21
status:      allocated
aut-num:     AS27988
owner:       Servicios y Telecomunicaciones S.A.
ownerid:     AR-SYTS-LACNIC
responsible: Ariel N. Graizer
address:     suipacha, 128, 2do.
address:     1008 - Buenos Aires - BA
country:     AR
phone:       +54  1141381800 [0000]
owner-c:     ANG7
tech-c:      ANG7
abuse-c:     ANG7
inetrev:     200.55.241.0/24
nserver:     NS2.SYT.COM
nsstat:      20260102 AA
nslastaa:    20260102
nserver:     NS4.SYT.COM
nsstat:      20260102 AA
nslastaa:    20260102
inetrev:     200.55.245.0/24
nserver:     NS2.SYT.COM
nsstat:      20260106 AA
nslastaa:    20260106
nserver:     NS4.SYT.COM
nsstat:      20260106 AA
nslastaa:    20260106
inetrev:     200.55.243.0/24
nserver:     NS2.SYT.COM
nsstat:      20260107 AA
nslastaa:    20260107
nserver:     NS4.SYT.COM [lame - not published]
nsstat:      20260107 NOT SYNC ZONE
nslastaa:    20250623
inetrev:     200.55.247.0/24
nserver:     NS2.SYT.COM
nsstat:      20260105 AA
nslastaa:    20260105
nserver:     NS4.SYT.COM
nsstat:      20260105 AA
nslastaa:    20260105
inetrev:     200.55.246.0/24
nserver:     NS2.SYT.COM
nsstat:      20260104 AA
nslastaa:    20260104
nserver:     NS4.SYT.COM
nsstat:      20260104 AA
nslastaa:    20260104
inetrev:     200.55.240.0/24
nserver:     NS2.SYT.COM
nsstat:      20260106 AA
nslastaa:    20260106
nserver:     NS4.SYT.COM
nsstat:      20260106 AA
nslastaa:    20260106
inetrev:     200.55.244.0/24
nserver:     NS2.SYT.COM
nsstat:      20260103 AA
nslastaa:    20260103
nserver:     NS4.SYT.COM
nsstat:      20260103 AA
nslastaa:    20260103
created:     20090205
changed:     20230815

nic-hdl:     ANG7
person:      Ariel Norberto Graizer
e-mail:      abuse@syt.net
address:     Suipacha, 128, 2do. c
address:     1008 - Buenos Aires - 
country:     AR
phone:       +54  1141381800 [0000]
created:     20050629
changed:     20250428

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