% 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 '90.146.159.0 - 90.146.182.255'

% Abuse contact for '90.146.159.0 - 90.146.182.255' is 'ipregistry@teamliwest.at'

inetnum:        90.146.159.0 - 90.146.182.255
netname:        AT-LIWEST-DOCSIS
country:        AT
admin-c:        LA6835-RIPE
tech-c:         LA6835-RIPE
status:         ASSIGNED PA
remarks:        ---------------------------------------
remarks:        Please report abuse incidents like spam
remarks:        origination, network scanning etc to
remarks:        abuse@liwest.at
remarks:        ---------------------------------------
mnt-by:         AS12605-MNT
created:        2017-03-27T06:34:26Z
last-modified:  2020-05-14T14:29:29Z
source:         RIPE # Filtered

role:           Liwest Administrator
address:        LIWEST Kabelmedien GmbH
address:        Lindengasse 18
address:        A-4040 Linz
phone:          +43 732 942424
fax-no:         +43 732 919919-80
admin-c:        AS3109-RIPE
tech-c:         AS3109-RIPE
tech-c:         RS21756-RIPE
nic-hdl:        LA6835-RIPE
remarks:
abuse-mailbox:  abuse@teamliwest.at
mnt-by:         AS12605-MNT
created:        2017-03-08T08:27:36Z
last-modified:  2022-03-07T09:56:16Z
source:         RIPE # Filtered

% Information related to '90.146.128.0/17AS12605'

route:          90.146.128.0/17
descr:          LIWEST
origin:         AS12605
mnt-by:         AS12605-MNT
created:        2009-03-23T12:42:18Z
last-modified:  2009-03-23T12:42:18Z
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