% 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 '31.41.64.0 - 31.41.71.255'

% Abuse contact for '31.41.64.0 - 31.41.71.255' is 'abuse@uainet.net'

inetnum:        31.41.64.0 - 31.41.71.255
netname:        UAINET-NET-2
country:        UA
org:            ORG-UI9-RIPE
admin-c:        VA1930-RIPE
tech-c:         VA1930-RIPE
status:         ASSIGNED PI
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         UAINET-MNT
mnt-routes:     UAINET-MNT
mnt-domains:    UAINET-MNT
created:        2011-03-21T12:26:28Z
last-modified:  2016-04-14T10:35:51Z
source:         RIPE
sponsoring-org: ORG-NGs2-RIPE

organisation:   ORG-UI9-RIPE
org-name:       PE UAinet
country:        UA
org-type:       OTHER
address:        Kosachiv 8
address:        Kovel, 45000, Ukraine
abuse-c:        AR18984-RIPE
mnt-ref:        UAINET-MNT
mnt-ref:        MNT-NETART
mnt-by:         UAINET-MNT
created:        2010-02-22T15:25:50Z
last-modified:  2022-12-01T16:57:06Z
source:         RIPE # Filtered

person:         Boris Koroles
address:        Kosachiv 8
address:        Kovel, 45000, Ukraine
phone:          +380335271077
nic-hdl:        VA1930-RIPE
mnt-by:         UAINET-MNT
created:        2010-02-22T15:25:49Z
last-modified:  2019-04-14T12:38:52Z
source:         RIPE # Filtered

% Information related to '31.41.68.0/23AS50648'

route:          31.41.68.0/23
origin:         AS50648
mnt-by:         UAINET-MNT
created:        2023-12-18T13:34:41Z
last-modified:  2023-12-18T13:34:41Z
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