% 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 '91.221.74.0 - 91.221.75.255'

% Abuse contact for '91.221.74.0 - 91.221.75.255' is 'abuse@smart.net.ua'

inetnum:        91.221.74.0 - 91.221.75.255
netname:        SMART-NET
country:        UA
org:            ORG-SL473-RIPE
sponsoring-org: ORG-TM168-RIPE
admin-c:        MAS103-RIPE
tech-c:         MAS103-RIPE
status:         ASSIGNED PI
mnt-by:         MAS103-MNT
mnt-by:         RIPE-NCC-END-MNT
created:        2021-06-28T08:43:56Z
last-modified:  2021-06-28T09:32:55Z
source:         RIPE

organisation:   ORG-SL473-RIPE
org-name:       SMART-M SOLUTIONS LLC
country:        UA
org-type:       OTHER
address:        74800, Kherson region, Kahovka
address:        18, Sobornosti str.
address:        UA
admin-c:        SN5312-RIPE
tech-c:         SN5312-RIPE
abuse-c:        SAC106-RIPE
mnt-ref:        MAS103-MNT
mnt-by:         MAS103-MNT
created:        2014-05-30T12:11:49Z
last-modified:  2022-12-01T16:52:22Z
source:         RIPE # Filtered

person:         Maxim Alexandrovich Shtefan
address:        18, Sobornosti str.
address:        Kahovka, Khersonskaya obl.
address:        Ukraine
phone:          +380504313333
mnt-by:         MAS103-MNT
nic-hdl:        MAS103-RIPE
created:        2005-03-17T16:48:08Z
last-modified:  2018-03-07T15:26:48Z
source:         RIPE # Filtered

% Information related to '91.221.74.0/23AS57498'

route:          91.221.74.0/23
origin:         AS57498
mnt-by:         MAS103-MNT
created:        2021-06-28T09:28:31Z
last-modified:  2021-06-28T09:28:31Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.112.1 (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