% 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 '91.194.244.0 - 91.194.245.255'

% Abuse contact for '91.194.244.0 - 91.194.245.255' is 'alex@ural.net'
% Abuse-mailbox validation failed. Please refer to ORG-RA21-RIPE for further information.

inetnum:        91.194.244.0 - 91.194.245.255
netname:        Sviaz-Plus-NET
country:        RU
org:            ORG-ITIS2-RIPE
admin-c:        YC804-RIPE
tech-c:         YC804-RIPE
status:         ASSIGNED PI
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         SVIAZ-PLUS-MNT
mnt-by:         ROSPRINT-NCC
mnt-routes:     ROSPRINT-NCC
mnt-routes:     SVIAZ-PLUS-MNT
mnt-domains:    SVIAZ-PLUS-MNT
created:        2007-07-25T12:33:37Z
last-modified:  2021-10-11T07:20:33Z
source:         RIPE # Filtered
sponsoring-org: ORG-RA21-RIPE

organisation:   ORG-ITIS2-RIPE
org-name:       LLC "Sviaz Plus"
country:        RU
org-type:       OTHER
address:        Ekaterinburg, Russia,10, Krasnoarmeyskaya Str.,
abuse-c:        AR25655-RIPE
mnt-ref:        SVIAZ-PLUS-MNT
mnt-by:         SVIAZ-PLUS-MNT
created:        2007-06-22T11:33:00Z
last-modified:  2022-12-01T16:31:57Z
source:         RIPE # Filtered

person:         Yuri Chechulin
address:        10, Krasnoarmeyskaya Str.,
address:        Russia
address:        Ekaterinburg, 620000
phone:          +7 3433795718
nic-hdl:        YC804-RIPE
mnt-by:         SVIAZ-PLUS-MNT
created:        2013-08-14T11:04:53Z
last-modified:  2013-08-14T11:21:21Z
source:         RIPE # Filtered

% Information related to '91.194.244.0/23AS43403'

route:          91.194.244.0/23
descr:          Sviaz-Plus-NET
origin:         AS43403
mnt-by:         ROSPRINT-NCC
created:        2008-03-26T15:15:54Z
last-modified:  2008-03-26T15:15:54Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.113.2 (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