% 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 '192.88.24.0 - 192.88.24.255'

% No abuse contact registered for 192.88.24.0 - 192.88.24.255

inetnum:        192.88.24.0 - 192.88.24.255
netname:        HLE-LAN
descr:          HTBLA Leonding
descr:          Limesstr. 12-14
descr:          A-4060 Leonding
country:        AT
admin-c:        HLA22-RIPE
tech-c:         SHL32-RIPE
status:         LEGACY
mnt-by:         ACONET-LIR-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2020-04-27T12:15:45Z
source:         RIPE

role:           HTBLA Leonding Admin
address:        Limesstr. 12-14
address:        A-4060 Leonding
phone:          +43732673368
fax-no:         +43732673324
nic-hdl:        HLA22-RIPE
mnt-by:         ACONET-LIR-MNT
created:        2020-04-27T12:07:48Z
last-modified:  2020-04-27T12:07:48Z
source:         RIPE # Filtered

role:           Sysadmin HTBLA Leonding
address:        Limesstr. 12-14
address:        A-4060 Leonding
phone:          +43732673368
fax-no:         +43732673324
nic-hdl:        SHL32-RIPE
mnt-by:         ACONET-LIR-MNT
created:        2020-04-27T12:05:26Z
last-modified:  2020-04-27T12:05:26Z
source:         RIPE # Filtered

% Information related to '192.88.24.0/24AS1853'

route:          192.88.24.0/24
descr:          HLE-LAN
origin:         AS1853
mnt-by:         AS1853-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2001-09-22T09:32:28Z
source:         RIPE

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

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