% 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 '82.140.216.0 - 82.140.223.255'

% Abuse contact for '82.140.216.0 - 82.140.223.255' is 'abuse@rt.ru'

inetnum:        82.140.216.0 - 82.140.223.255
netname:        TVER-BROADBAND6
descr:          PPPoE and FTTX dynamic and static pools
country:        RU
admin-c:        VEV57-RIPE
tech-c:         VEV57-RIPE
status:         ASSIGNED PA
mnt-by:         TVER-TELENET-MNT
mnt-lower:      TVER-TELENET-MNT
mnt-routes:     TVER-TELENET-MNT
created:        2010-04-30T09:03:59Z
last-modified:  2020-11-12T08:40:16Z
source:         RIPE

person:         Vladimir V Vasiliev
address:        Rostelecom Ltd.
address:        Simeonovskaya 28
phone:          +7 482 2777814
nic-hdl:        VEV57-RIPE
mnt-by:         TVER-TELENET-MNT
created:        2016-03-15T09:20:27Z
last-modified:  2017-10-30T23:10:23Z
source:         RIPE # Filtered

% Information related to '82.140.216.0/21AS12389'

route:          82.140.216.0/21
descr:          Rostelecom networks
origin:         AS12389
mnt-by:         ROSTELECOM-MNT
created:        2018-10-31T11:47:15Z
last-modified:  2018-10-31T11:47:15Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.114 (SHETLAND)

Search for
IP address lookups			Miscellaneous queries
-l	1st level less specific		-i	Inverse attributes	None admin-c admin-c,tech-c,zone-c author cross-mnt cross-nfy local-as mbrs-by-ref member-of mnt-by mnt-lower mnt-nfy mnt-routes notify nserver origin person referral-by rev-srv sub-dom tech-c upd-to zone-c
-L	All less specific		-T	Object types	All as-block as-set aut-num domain filter-set inet-rtr inet6num inetnum irt key-cert mntner peering-set person role route route-set rtr-set
-m	1st level more specific
-M	All more specific		Query hints Include "AS" in front of an AS number. Example: AS4808 Include "-t" (template only) or "-v" (template and description) in front of an object name to view the template Example: -t inetnum
-x	Exact match only
-d	Associated reverse domain