% 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 '188.252.192.0 - 188.252.255.255'

% Abuse contact for '188.252.192.0 - 188.252.255.255' is 'abuse@A1net.hr'

inetnum:        188.252.192.0 - 188.252.255.255
netname:        XNET-CABLE
descr:          B.net Hrvatska d.o.o.
descr:          HR-1000 Zagreb
descr:          INFRA-AW
country:        HR
admin-c:        VIP7-RIPE
tech-c:         VIP7-RIPE
status:         ASSIGNED PA
mnt-by:         AS12810-MNT
created:        2011-02-10T08:55:44Z
last-modified:  2013-07-22T12:49:43Z
source:         RIPE # Filtered

role:           A1 Hrvatska contacts
address:        A1 Hrvatska d.o.o.
address:        TND department
address:        Vrtni put 1
address:        10000 Zagreb
address:        Croatia (Hrvatska)
abuse-mailbox:  abuse@A1net.hr
remarks:        ****************************
remarks:        In case of abuse,
remarks:        please be advised to contact
remarks:        abuse@A1net.hr
remarks:        ****************************
admin-c:        MK8781-RIPE
tech-c:         VH342-RIPE
tech-c:         VR727-RIPE
tech-c:         SM6081-RIPE
tech-c:         MJ3039-RIPE
tech-c:         MK8781-RIPE
nic-hdl:        VIP7-RIPE
mnt-by:         AS12810-MNT
created:        2003-08-28T08:01:09Z
last-modified:  2018-11-26T12:10:03Z
source:         RIPE # Filtered

% Information related to '188.252.196.0/22AS15994'

route:          188.252.196.0/22
origin:         AS15994
mnt-by:         AS12810-MNT
created:        2019-05-07T09:20:55Z
last-modified:  2019-05-07T09:20:55Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.114 (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