% 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 '185.16.81.0 - 185.16.81.255'

% Abuse contact for '185.16.81.0 - 185.16.81.255' is 'abuse@boxnet.cz'

inetnum:        185.16.81.0 - 185.16.81.255
geoloc:         49.35 16.433330
language:       CS
netname:        CZ-BOXNET-20200210
country:        CZ
org:            ORG-NSS39-RIPE
admin-c:        AA35699-RIPE
tech-c:         AA35699-RIPE
status:         ALLOCATED PA
mnt-by:         mnt-cz-boxnet-1
mnt-by:         RIPE-NCC-HM-MNT
mnt-lower:      mnt-cz-boxnet-1
mnt-routes:     mnt-cz-boxnet-1
created:        2020-02-10T15:15:14Z
last-modified:  2020-04-14T00:11:05Z
source:         RIPE

organisation:   ORG-NSS39-RIPE
org-name:       Netcom Solutions s.r.o.
descr:          BOXNET
country:        CZ
org-type:       LIR
address:        Janackova 1962
address:        66601
address:        Tisnov
address:        CZECH REPUBLIC
phone:          +420773551991
admin-c:        AA35699-RIPE
tech-c:         AA35699-RIPE
abuse-c:        AR57909-RIPE
mnt-ref:        mnt-cz-boxnet-1
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         mnt-cz-boxnet-1
created:        2020-02-07T12:01:28Z
last-modified:  2021-03-02T21:39:00Z
source:         RIPE # Filtered

role:           Abuse
address:        Janackova 1962
address:        66601
address:        Tisnov
address:        CZECH REPUBLIC
phone:          +420773551991
nic-hdl:        AA35699-RIPE
mnt-by:         mnt-cz-boxnet-1
created:        2020-02-07T12:01:27Z
last-modified:  2020-02-07T12:01:28Z
source:         RIPE # Filtered

% Information related to '185.16.81.0/24AS206703'

route:          185.16.81.0/24
descr:          BOXNET
origin:         AS206703
mnt-by:         mnt-cz-boxnet-1
created:        2020-03-23T13:26:19Z
last-modified:  2020-03-23T13:26:19Z
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