% APNIC found the following authoritative answer from: whois.ripe.net

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to '217.145.240.0 - 217.145.255.255'

% Abuse contact for '217.145.240.0 - 217.145.255.255' is 'noc@app-tec.com'

inetnum:        217.145.240.0 - 217.145.255.255
org:            ORG-ATC2-RIPE
netname:        SA-APPTEC-20040415
country:        SA
admin-c:        EE1483-RIPE
admin-c:        HG4844-RIPE
tech-c:         HG4844-RIPE
status:         ALLOCATED PA
remarks:        First IPv4 Allocation
remarks:        Please send abuse notification to abuse@app-tec.com
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         APPTEC-MNT
mnt-lower:      APPTEC-MNT
mnt-routes:     APPTEC-MNT
mnt-domains:    APPTEC-MNT
created:        2004-04-15T12:40:58Z
last-modified:  2025-05-28T10:05:33Z
source:         RIPE

% Information related to '217.145.248.0/24AS31416'

route:          217.145.248.0/24
descr:          AppTec
origin:         AS31416
mnt-by:         APPTEC-MNT
created:        2008-08-09T13:17:37Z
last-modified:  2008-08-09T13:17:37Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.124.1 (SHETLAND)