% 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 '37.122.0.0 - 37.122.63.255'

% Abuse contact for '37.122.0.0 - 37.122.63.255' is 'abuse@bashtel.ru'

inetnum:        37.122.0.0 - 37.122.63.255
netname:        DSL-POOL
descr:          Bashinformsvyaz Company, RUMS, DSL
country:        RU
admin-c:        ORD5-RIPE
tech-c:         SSM18-RIPE
status:         ASSIGNED PA
mnt-by:         RUMS-MNT
created:        2013-03-06T10:37:50Z
last-modified:  2019-05-07T09:24:22Z
source:         RIPE

person:         Oleg R. Delmukhametov
address:        30, Lenin str., Ufa, Russian Federation, 450077
phone:          +7 347 2215475
nic-hdl:        ORD5-RIPE
mnt-by:         RUMS-MNT
created:        2014-01-31T10:32:35Z
last-modified:  2018-07-30T13:10:39Z
source:         RIPE # Filtered

person:         Stanislav S. Makarov
address:        PJSC "Bashinformsvyaz"
address:        Lenin street, 30
address:        RUSSIA, 450000, Ufa city
phone:          +7 3472 215999
nic-hdl:        SSM18-RIPE
created:        2004-11-22T07:45:45Z
last-modified:  2016-09-15T09:49:23Z
source:         RIPE # Filtered
mnt-by:         RUMS-MNT
mnt-by:         BASHNET-MNT

% Information related to '37.122.0.0/18AS12389'

route:          37.122.0.0/18
descr:          BRAS Pool Rostelecom - Bashinformsvyaz
origin:         AS12389
mnt-by:         BASHNET-MNT
mnt-by:         RUMS-MNT
created:        2021-06-09T12:13:03Z
last-modified:  2021-06-09T12:13:03Z
source:         RIPE

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

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