% 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.
%  2026-01-19 12:44:10 (-03 -03:00)

inetnum:     200.71.0.0/20
status:      allocated
aut-num:     N/A
owner:       Telstar S.A.
ownerid:     UY-TESA1-LACNIC
responsible: Raúl Bartesaghi
address:     La Cumparsita, 1373, piso 5
address:     11200 - Montevideo - 
country:     UY
phone:       +598 2 9028899
owner-c:     ADL82
tech-c:      HEB
abuse-c:     ACU7
inetrev:     200.71.4.0/23
nserver:     DNS.TECHTEL.COM.UY
nsstat:      20260118 AA
nslastaa:    20260118
nserver:     DNS2.TECHTEL.COM.UY [lame - not published]
nsstat:      20260118 ERR
nslastaa:    20251229
inetrev:     200.71.6.0/24
nserver:     DNS.TECHTEL.COM.UY
nsstat:      20260117 AA
nslastaa:    20260117
nserver:     DNS2.TECHTEL.COM.UY [lame - not published]
nsstat:      20260117 ERR
nslastaa:    20251231
inetrev:     200.71.11.0/24
nserver:     DNS.TECHTEL.COM.UY
nsstat:      20260117 AA
nslastaa:    20260117
nserver:     DNS2.TECHTEL.COM.UY [lame - not published]
nsstat:      20260117 ERR
nslastaa:    20251231
inetrev:     200.71.7.0/24
nserver:     DNS.TECHTEL.COM.UY
nsstat:      20260118 AA
nslastaa:    20260118
nserver:     DNS2.TECHTEL.COM.UY [lame - not published]
nsstat:      20260118 ERR
nslastaa:    20260102
inetrev:     200.71.10.0/24
nserver:     DNS.TECHTEL.COM.UY
nsstat:      20260117 AA
nslastaa:    20260117
nserver:     DNS2.TECHTEL.COM.UY [lame - not published]
nsstat:      20260117 ERR
nslastaa:    20260102
inetrev:     200.71.9.0/24
nserver:     DNS.TECHTEL.COM.UY
nsstat:      20260118 AA
nslastaa:    20260118
nserver:     DNS2.TECHTEL.COM.UY [lame - not published]
nsstat:      20260118 ERR
nslastaa:    20260102
inetrev:     200.71.8.0/24
nserver:     DNS.TECHTEL.COM.UY
nsstat:      20260118 AA
nslastaa:    20260118
nserver:     DNS2.TECHTEL.COM.UY [lame - not published]
nsstat:      20260118 ERR
nslastaa:    20251231
inetrev:     200.71.2.0/23
nserver:     DNS.TECHTEL.COM.UY
nsstat:      20260118 AA
nslastaa:    20260118
nserver:     DNS2.TECHTEL.COM.UY [lame - not published]
nsstat:      20260118 ERR
nslastaa:    20260101
inetrev:     200.71.0.0/24
nserver:     DNS.TECHTEL.COM.UY
nsstat:      20260118 AA
nslastaa:    20260118
nserver:     DNS2.TECHTEL.COM.UY [lame - not published]
nsstat:      20260118 ERR
nslastaa:    20260101
inetrev:     200.71.12.0/23
nserver:     DNS.TECHTEL.COM.UY
nsstat:      20260118 AA
nslastaa:    20260118
nserver:     DNS2.TECHTEL.COM.UY [lame - not published]
nsstat:      20260118 ERR
nslastaa:    20251229
inetrev:     200.71.14.0/24
nserver:     DNS.TECHTEL.COM.UY
nsstat:      20260117 AA
nslastaa:    20260117
nserver:     DNS2.TECHTEL.COM.UY [lame - not published]
nsstat:      20260117 ERR
nslastaa:    20251230
inetrev:     200.71.15.0/24
nserver:     DNS.TECHTEL.COM.UY
nsstat:      20260118 AA
nslastaa:    20260118
nserver:     DNS2.TECHTEL.COM.UY [lame - not published]
nsstat:      20260118 TIMEOUT
nslastaa:    20260102
created:     20020626
changed:     20250903
remarks:     Geofeed https://geofeed.claro.com.ar/geofeed.csv

nic-hdl:     ADL82
person:      Administrador Lacnic
e-mail:      adm_lacnic@claro.com.ar
address:     Av de Mayo, 878, 
address:     C1084AAQ - Buenos Aires - 
country:     AR
phone:       +54  1140003246
created:     20220602
changed:     20220602

nic-hdl:     HEB
person:      Hernan Bonjour
e-mail:      hernan.bonjour@claro.com.uy
address:     San Martin, 2460, -
address:     11800 - Montevideo - 
country:     UY
phone:       +598  22011500 [25240]
created:     20021022
changed:     20230927

nic-hdl:     ACU7
person:      Abuse Claro UY
e-mail:      abuse@claro.com.uy
address:     Av. De Mayo, 878, -
address:     1425 - Capital Federal - 
country:     AR
phone:       +54  1141098823 [0000]
created:     20210313
changed:     20210313

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