% 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.
%  2025-12-31 18:36:25 (-03 -03:00)

inetnum:     200.68.96.0/20
status:      allocated
aut-num:     N/A
owner:       NSS S.A.
ownerid:     AR-NSSA-LACNIC
responsible: Administrador de Ips
address:     Reconquista, 865, 2
address:     C1003ABQ - Buenos Aires - CF
country:     AR
phone:       +54 11 50316400 [6420]
owner-c:     MAC2
tech-c:      MAC2
abuse-c:     MAC2
inetrev:     200.68.110.0/24
nserver:     DNS1.IPLANISP.COM.AR
nsstat:      20251229 AA
nslastaa:    20251229
nserver:     DNS2.IPLANISP.COM.AR
nsstat:      20251229 AA
nslastaa:    20251229
inetrev:     200.68.100.0/22
nserver:     DNS1.IPLANISP.COM.AR
nsstat:      20251230 AA
nslastaa:    20251230
nserver:     DNS2.IPLANISP.COM.AR
nsstat:      20251230 AA
nslastaa:    20251230
inetrev:     200.68.99.0/24
nserver:     DNS1.IPLANISP.COM.AR
nsstat:      20251228 AA
nslastaa:    20251228
nserver:     DNS2.IPLANISP.COM.AR
nsstat:      20251228 AA
nslastaa:    20251228
inetrev:     200.68.97.0/24
nserver:     DNS1.IPLANISP.COM.AR
nsstat:      20251231 AA
nslastaa:    20251231
nserver:     DNS2.IPLANISP.COM.AR
nsstat:      20251231 AA
nslastaa:    20251231
inetrev:     200.68.106.0/23
nserver:     DNS1.IPLANISP.COM.AR
nsstat:      20251229 AA
nslastaa:    20251229
nserver:     DNS2.IPLANISP.COM.AR
nsstat:      20251229 AA
nslastaa:    20251229
inetrev:     200.68.109.0/24
nserver:     DNS1.IPLANISP.COM.AR
nsstat:      20251230 AA
nslastaa:    20251230
nserver:     DNS2.IPLANISP.COM.AR
nsstat:      20251230 AA
nslastaa:    20251230
inetrev:     200.68.111.0/24
nserver:     DNS1.IPLANISP.COM.AR
nsstat:      20251231 AA
nslastaa:    20251231
nserver:     DNS2.IPLANISP.COM.AR
nsstat:      20251231 AA
nslastaa:    20251231
inetrev:     200.68.98.0/24
nserver:     DNS1.IPLANISP.COM.AR
nsstat:      20251229 AA
nslastaa:    20251229
nserver:     DNS2.IPLANISP.COM.AR
nsstat:      20251229 AA
nslastaa:    20251229
created:     20030103
changed:     20030103

nic-hdl:     MAC2
person:      Administrador de Ips
e-mail:      abuse-iplan@iplan.com.ar
address:     Reconquista, 865, 5to piso
address:     1003 - Buenos Aires - 
country:     AR
phone:       +54 11 50320000
created:     20021226
changed:     20211223

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