% 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 '193.105.204.0 - 193.105.204.255'

% Abuse contact for '193.105.204.0 - 193.105.204.255' is 'jantscher@xinon.at'

inetnum:        193.105.204.0 - 193.105.204.255
netname:        HOCHSTRADEN-NET
descr:          XINON GmbH
country:        AT
org:            ORG-HF12-RIPE
admin-c:        BS2890-RIPE
tech-c:         BS2890-RIPE
status:         ASSIGNED PI
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MYSYS-MNT
mnt-routes:     i3B-MNT
mnt-domains:    i3B-MNT
created:        2010-03-15T15:16:26Z
last-modified:  2016-04-14T08:18:17Z
source:         RIPE # Filtered
sponsoring-org: ORG-MJta1-RIPE

organisation:   ORG-HF12-RIPE
org-name:       Herrmann Fabian
country:        AT
org-type:       OTHER
address:        Frutten 40
address:        A-8354 St. Anna am Aigen
abuse-c:        AC29843-RIPE
mnt-ref:        MYSYS-MNT
mnt-by:         MYSYS-MNT
created:        2013-10-18T07:55:25Z
last-modified:  2022-12-01T16:28:41Z
source:         RIPE # Filtered

person:         Wolfgang Brandstaetter
address:        i3B - Internetbreitband GmbH
address:        Viktringerplatz 5
address:        A-9073 Klagenfurt am Woerthersee
phone:          +43 660 29899 77
nic-hdl:        BS2890-RIPE
created:        2006-01-17T13:14:50Z
last-modified:  2022-02-02T10:38:38Z
source:         RIPE # Filtered
remarks:        temp-cleanup changes
mnt-by:         i3B-MNT

% Information related to '193.105.204.0/24AS50718'

route:          193.105.204.0/24
descr:          XINON GmbH
origin:         AS50718
remarks:        -------------------------------------------
remarks:        this net is routed by:
remarks:        XINON GmbH
remarks:        -------------------------------------------
mnt-by:         MYSYS-MNT
created:        2010-03-17T20:57:16Z
last-modified:  2016-03-23T12:34:14Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.113.2 (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