% 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 '81.162.216.0 - 81.162.223.255'

% Abuse contact for '81.162.216.0 - 81.162.223.255' is 'abuse@viplan.ua'

inetnum:        81.162.216.0 - 81.162.223.255
netname:        VIPLAN
country:        UA
org:            ORG-IVL5-RIPE
admin-c:        ZG466-RIPE
tech-c:         ZG466-RIPE
status:         ASSIGNED PI
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         VIPLAN-MNT
mnt-routes:     VIPLAN-MNT
mnt-domains:    VIPLAN-MNT
created:        2011-12-08T15:17:44Z
last-modified:  2017-10-05T09:07:42Z
source:         RIPE
sponsoring-org: ORG-ML410-RIPE

organisation:   ORG-IVL5-RIPE
org-name:       ISP VIPLAN LLC
country:        UA
org-type:       other
address:        UA, Kyiv, Degtyarivska str. 26, of. 91
phone:          +38044 227 11 00
abuse-c:        AR20147-RIPE
mnt-ref:        VIPLAN-MNT
mnt-by:         VIPLAN-MNT
created:        2013-06-25T08:28:01Z
last-modified:  2022-12-01T16:32:05Z
source:         RIPE # Filtered

person:         Zhytnyk Hanna
address:        UA, Kyiv, Degtyarivska str. 26, of. 91
phone:          +38044 227 11 00
nic-hdl:        ZG466-RIPE
mnt-by:         VIPLAN-MNT
created:        2013-06-25T13:19:53Z
last-modified:  2017-10-30T22:27:37Z
source:         RIPE

% Information related to '81.162.216.0/21AS57612'

route:          81.162.216.0/21
descr:          VIPLan LLC
origin:         AS57612
mnt-by:         VIPLAN-MNT
created:        2011-12-16T13:31:29Z
last-modified:  2011-12-16T13:36:44Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.111 (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