% 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://apps.db.ripe.net/docs/HTML-Terms-And-Conditions

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

% Information related to '79.105.40.0 - 79.105.47.255'

% Abuse contact for '79.105.40.0 - 79.105.47.255' is 'abuse@rt.ru'

inetnum:        79.105.40.0 - 79.105.47.255
netname:        RUAMUR-146
descr:          Local infrastructure expansion for DSL (PPPoE)
country:        RU
status:         ASSIGNED PA
remarks:        INFRA-AW
mnt-by:         RUAMUR-MNT
mnt-lower:      RUAMUR-MNT
mnt-routes:     RUAMUR-MNT
created:        2010-11-16T09:58:43Z
last-modified:  2020-03-02T02:56:38Z
source:         RIPE # Filtered
admin-c:        DV814-RIPE
tech-c:         KV422-RIPE

person:         Dmitry Vasilcov
address:        Amur Branch of OJSC "Far Eastern Telecommunications Company" Amursky st., 205 Blagoveschensk 675000, Russia
phone:          +7 4162 510092
fax-no:         +7 4162 510000
nic-hdl:        DV814-RIPE
created:        2004-10-28T00:16:28Z
last-modified:  2020-06-04T10:26:10Z
source:         RIPE # Filtered
mnt-by:         ROSTELECOM-MNT

person:         Konstantyn Vasenyn
address:        The Khabarovsk Telephone - Telegraph station
address:        58, Karl Marks st.
address:        RU-680000 Khabarovsk
address:        Russia
mnt-by:         MNT-KV422-RIPE
phone:          +7 421 2323794
fax-no:         +7 421 2325206
nic-hdl:        KV422-RIPE
created:        1970-01-01T00:00:00Z
last-modified:  2006-11-06T02:28:34Z
source:         RIPE # Filtered

% Information related to '79.105.40.0/21AS12389'

route:          79.105.40.0/21
descr:          Rostelecom networks
origin:         AS12389
mnt-by:         ROSTELECOM-MNT
created:        2018-10-02T07:38:59Z
last-modified:  2018-10-02T07:38:59Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.111 (ABERDEEN)

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