% 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 '138.246.0.0 - 138.246.255.255'

% No abuse contact registered for 138.246.0.0 - 138.246.255.255

inetnum:        138.246.0.0 - 138.246.255.255
netname:        LMU-WIFO-INK
geofeed:        https://geofeed.netz.mwn.de/rfc8805.csv
descr:          Ludwig-Maximilians-Universitaet Muenchen
descr:          Rechenzentrum der Medizinischen Fakultaet; Innenstadt-Klinikum
country:        DE
admin-c:        IA325-RIPE
tech-c:         IA325-RIPE
status:         LEGACY
mnt-by:         LRZ-MNT
mnt-routes:     LRZ-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2023-05-19T21:41:58Z
source:         RIPE

role:           IP Admin
org:            ORG-LA54-RIPE
address:        Leibniz-Rechenzentrum
address:        der Bayerischen Akademie der Wissenschaften
address:        Boltzmannstr. 1
address:        D-85748 Garching
address:        Germany
phone:          +49 89 35831-8800
fax-no:         +49 89 35831-9700
abuse-mailbox:  abuse@lrz.de
remarks:        *******************************************
remarks:        * For  spam/abuse/security  issues please *
remarks:        * contact abuse@lrz.de, not this address  *
remarks:        *******************************************
admin-c:        HR202-RIPE
tech-c:         HT489-RIPE
tech-c:         MM3728-RIPE
tech-c:         BS1889-RIPE
nic-hdl:        IA325-RIPE
mnt-by:         LRZ-MNT
created:        2003-01-28T13:05:00Z
last-modified:  2009-12-04T14:42:07Z
source:         RIPE # Filtered

% Information related to '138.246.0.0/16AS1275'

route:          138.246.0.0/16
descr:          LMU-WIFO-INK
origin:         AS1275
mnt-routes:     LRZ-MNT
mnt-by:         DFN-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2002-11-25T13:22:21Z
source:         RIPE

% Information related to '138.246.0.0/16AS12816'

route:          138.246.0.0/16
descr:          LMU-WIFO-INK
origin:         AS12816
mnt-routes:     DFN-MNT
mnt-by:         LRZ-MNT
created:        2002-11-25T15:21:46Z
last-modified:  2002-11-25T15:21:46Z
source:         RIPE

% Information related to '138.246.0.0/16AS680'

route:          138.246.0.0/16
descr:          LMU-WIFO-INK
origin:         AS680
mnt-routes:     LRZ-MNT
mnt-by:         DFN-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2002-11-25T13:22:21Z
source:         RIPE

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

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