% 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 '91.195.136.0 - 91.195.137.255'

% Abuse contact for '91.195.136.0 - 91.195.137.255' is 'abuse@mtu.ru'

inetnum:        91.195.136.0 - 91.195.137.255
netname:        TVK-NET
country:        RU
org:            ORG-TL85-RIPE
admin-c:        SAV92-RIPE
tech-c:         SAV92-RIPE
status:         ASSIGNED PI
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-TVK
mnt-routes:     MNT-TVK
mnt-domains:    MNT-TVK
created:        2007-09-18T11:52:09Z
last-modified:  2019-06-03T12:35:56Z
source:         RIPE # Filtered
sponsoring-org: ORG-ZM1-RIPE

organisation:   ORG-TL85-RIPE
org-name:       MTS OJSC
country:        RU
org-type:       OTHER
address:        302028, Russia, Orel, Moskovskoe shosse, 137
abuse-c:        MAB8359-RIPE
mnt-ref:        MNT-TVK
mnt-by:         UTC-MNT
created:        2007-09-15T14:34:18Z
last-modified:  2022-12-01T16:55:41Z
source:         RIPE # Filtered

person:         Soloschenko Aleksandr Valerievich
address:        302028, Russia, Orel, Moskovskoe shosse, 137
phone:          +7-486-233-80-85
nic-hdl:        SAV92-RIPE
created:        2007-09-18T09:12:12Z
last-modified:  2016-04-06T22:01:46Z
mnt-by:         RIPE-NCC-LOCKED-MNT
source:         RIPE

% Information related to '91.195.136.0/23AS43720'

route:          91.195.136.0/23
descr:          Mobile Telesystems PJSC, Orel brunch
origin:         AS43720
mnt-by:         MNT-TVK
created:        2008-05-16T09:29:57Z
last-modified:  2018-06-25T15:39:16Z
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