% 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 '138.22.0.0 - 138.22.255.255'

% Abuse contact for '138.22.0.0 - 138.22.255.255' is 'noc@zamg.ac.at'

inetnum:        138.22.0.0 - 138.22.255.255
netname:        ZAMGNET-WIEN
org:            ORG-ZFMU1-RIPE
descr:          Network of the Central Institute for Meteorology and Geodynamics
descr:          Zentralanstalt fuer Meteorologie und Geodynamik
descr:          Hohe Warte 38, A-1190 Wien
descr:          Austria
country:        AT
admin-c:        GK92
tech-c:         CH287
status:         LEGACY
mnt-by:         ACONET-LIR-MNT
mnt-by:         RIPE-NCC-LEGACY-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2016-04-14T08:27:27Z
source:         RIPE
sponsoring-org: ORG-AA1-RIPE

organisation:   ORG-ZFMU1-RIPE
org-name:       Zentralanstalt fuer Meteorologie und Geodynamik
country:        AT
org-type:       OTHER
address:        Network of the Central Institute for Meteorology and Geodynamics
address:        Zentralanstalt fuer Meteorologie und Geodynamik
address:        Hohe Warte 38, A-1190 Wien
address:        Austria
abuse-c:        ARZ12-RIPE
mnt-ref:        ACONET-LIR-MNT
mnt-by:         ACONET-LIR-MNT
created:        2014-12-18T11:59:03Z
last-modified:  2022-12-01T17:32:04Z
source:         RIPE # Filtered

person:         Cornelia Hammerschmid
address:        Central Institute of Meteorology and Geodynamics
address:        Hohe Warte 38
address:        A-1190 Wien
address:        Austria
phone:          +43 1 36026 2606
fax-no:         +43 1 36026 2620
nic-hdl:        CH287
mnt-by:         ACONET-LIR-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2004-04-25T23:30:22Z
source:         RIPE # Filtered

person:         Georg Kaindl
address:        Central Institute for Meteorology and Geodynamics
address:        Division IT
address:        Hohe Warte 38
address:        A-1190 Wien
address:        Austria
phone:          +43 1 36026 2601
fax-no:         +43 1 36026 2620
nic-hdl:        GK92
mnt-by:         ACONET-LIR-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2011-01-19T13:14:35Z
source:         RIPE # Filtered

% Information related to '138.22.0.0/16AS1853'

route:          138.22.0.0/16
descr:          ZAMGNET-WIEN
origin:         AS1853
mnt-by:         AS1853-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2001-09-22T09:33:16Z
source:         RIPE

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