% 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 '78.135.16.0 - 78.135.19.255'

% Abuse contact for '78.135.16.0 - 78.135.19.255' is 'abuse@ari.net.tr'

inetnum:        78.135.16.0 - 78.135.19.255
netname:        TR-EXTEND-ADSL1-20130613
descr:          Aydogan Communication LTD.
country:        TR
geofeed:        https://www.extendbroadband.com/geofeed/extend.csv
geoloc:         36.8000 34.6333
admin-c:        EBIA1-RIPE
tech-c:         EBIA1-RIPE
status:         ASSIGNED PA
remarks:        Geolocation: Turkey
remarks:        Region: Mersin
remarks:        Geofeed https://www.extendbroadband.com/geofeed/extend.csv
mnt-by:         MNT-EXTEND
created:        2013-06-14T14:14:06Z
last-modified:  2026-03-03T21:57:55Z
source:         RIPE

% Information related to '78.135.16.0/20AS43242'

route:          78.135.16.0/20
origin:         AS43242
descr:          Aydogan Communication LTD
mnt-by:         MNT-EXTEND
created:        2016-07-29T07:26:37Z
last-modified:  2016-07-29T07:26:37Z
source:         RIPE

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