% 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 '176.40.112.0 - 176.40.119.255'

% Abuse contact for '176.40.112.0 - 176.40.119.255' is 'abuse@turkcell.com.tr'

inetnum:        176.40.112.0 - 176.40.119.255
netname:        TR-TELLCOM-BB-ADSL-ANK
descr:          Tellcom Fiber Dynamic
country:        TR
admin-c:        TNA13-RIPE
tech-c:         TNA13-RIPE
status:         ASSIGNED PA
remarks:        infra-aw
mnt-by:         MNT-TELLCOM
created:        2012-01-23T07:28:37Z
last-modified:  2012-01-23T07:28:37Z
source:         RIPE # Filtered

role:           Tellcom Network Admins
address:        Turkcell Maltepe Plaza Yeni Mahalle Pamukkale Sk.
address:        34880 Kartal/ISTANBUL TURKEY
phone:          +90 850 229 00 00
admin-c:        TK2426-RIPE
tech-c:         TK2426-RIPE
nic-hdl:        TNA13-RIPE
remarks:        *********************************************
remarks:        Please send spam and abuse notification only
remarks:        to abuse@turkcell.com.tr
remarks:        *********************************************
abuse-mailbox:  abuse@turkcell.com.tr
mnt-by:         MNT-TELLCOM
created:        2007-08-06T06:35:11Z
last-modified:  2021-03-31T07:19:58Z
source:         RIPE # Filtered

% Information related to '176.40.112.0/21AS34984'

route:          176.40.112.0/21
descr:          Tellcom Broadband Network Statement
origin:         AS34984
mnt-by:         MNT-TELLCOM
mnt-routes:     MNT-TELLCOM
created:        2012-01-23T07:28:37Z
last-modified:  2012-01-23T07:28:37Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.120 (BUSA)