% 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 '141.105.48.0 - 141.105.55.255'

% Abuse contact for '141.105.48.0 - 141.105.55.255' is 'ripe@sibir.ttk.ru'

inetnum:        141.105.48.0 - 141.105.55.255
netname:        RU-BTTK
country:        RU
org:            ORG-CJSC4-RIPE
admin-c:        BTTC-RIPE
tech-c:         BTTC-RIPE
status:         ASSIGNED PA
mnt-by:         BTTC-MNT
created:        2011-08-28T23:53:00Z
last-modified:  2021-04-16T03:43:35Z
source:         RIPE

% Information related to '141.105.48.0/21AS12688'

route:          141.105.48.0/21
descr:          Customers with Baikal-TransTeleCom Global Access
origin:         AS12688
mnt-by:         BTTC-MNT
created:        2011-06-28T06:41:48Z
last-modified:  2011-06-28T06:41:48Z
source:         RIPE

% Information related to '141.105.48.0/21AS15774'

route:          141.105.48.0/21
descr:          TTK-Retail route object
origin:         AS15774
mnt-by:         BTTC-MNT
created:        2018-02-15T10:30:59Z
last-modified:  2018-02-15T10:30:59Z
source:         RIPE

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