% 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 '141.105.136.0 - 141.105.136.255'

% Abuse contact for '141.105.136.0 - 141.105.136.255' is 'itkarkas18@gmail.com'

inetnum:        141.105.136.0 - 141.105.136.255
netname:        IT-Karkas-NET
org:            ORG-IL655-RIPE
country:        UA
admin-c:        RA10527-RIPE
geoloc:         46.4775 30.7326
tech-c:         RA10527-RIPE
status:         ASSIGNED PA
mnt-by:         mnt-ua-obg-1
created:        2021-05-27T16:41:23Z
last-modified:  2022-01-05T12:11:03Z
source:         RIPE

organisation:   ORG-IL655-RIPE
org-name:       IT-KARKAS LLC
country:        UA
org-type:       OTHER
address:        Central street 115, Prylymanske 67820
address:        Odessa region, Ukraine
abuse-c:        ACRO31143-RIPE
mnt-ref:        ee-granatnet-1-mnt
mnt-by:         ee-granatnet-1-mnt
created:        2020-03-14T17:18:14Z
last-modified:  2022-12-01T17:15:07Z
source:         RIPE # Filtered

person:         Rozhko Andrii
address:        Bocharova str. 71, Odesa 6500, Ukraine
phone:          +380487998667
nic-hdl:        RA10527-RIPE
mnt-by:         mnt-ua-obg-1
created:        2021-05-27T16:39:23Z
last-modified:  2021-05-27T16:39:23Z
source:         RIPE

% Information related to '141.105.136.0/24AS206621'

route:          141.105.136.0/24
origin:         AS206621
mnt-by:         mnt-ua-obg-1
created:        2021-05-27T17:54:04Z
last-modified:  2021-05-27T17:54:04Z
source:         RIPE

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

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