% APNIC found the following authoritative answer from: whois.ripe.net

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% Information related to '138.245.0.0 - 138.245.255.255'

% No abuse contact registered for 138.245.0.0 - 138.245.255.255

inetnum:        138.245.0.0 - 138.245.255.255
netname:        LMU-WIFO
descr:          LMU-Klinikum
descr:          Abteilung Medizintechnik und IT
descr:          Marchioninistrasse 15
descr:          81377 Muenchen
descr:          Germany
country:        DE
admin-c:        FW2452-RIPE
tech-c:         MR28289-RIPE
status:         LEGACY
mnt-by:         LRZ-MNT
mnt-routes:     LRZ-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2024-03-19T08:01:03Z
source:         RIPE

person:         Florian Wachter
address:        LMU-Klinikum
address:        Klinikum der Universitaet Muenchen
address:        MIT / ITI
address:        Marchioninistrasse 15
address:        81377 Muenchen
address:        Germany
phone:          +49 89 4400 75061
nic-hdl:        FW2452-RIPE
mnt-by:         LRZ-MNT
created:        2024-03-19T07:57:43Z
last-modified:  2024-03-19T07:57:43Z
source:         RIPE # Filtered

person:         Michael Rogg
address:        LMU-Klinikum
address:        Klinikum der Universitaet Muenchen
address:        MIT / ITI / Netzbetrieb
address:        Marchioninistrasse 15
address:        81377 Muenchen
address:        Germany
phone:          +49 89 4400 78293
nic-hdl:        MR28289-RIPE
mnt-by:         LRZ-MNT
created:        2024-03-19T07:58:30Z
last-modified:  2024-03-19T07:58:30Z
source:         RIPE # Filtered

% Information related to '138.244.0.0/15AS1275'

route:          138.244.0.0/15
descr:          LMU-MEDVER
origin:         AS1275
mnt-routes:     LRZ-MNT
mnt-by:         DFN-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2002-11-25T13:22:20Z
source:         RIPE

% Information related to '138.244.0.0/15AS12816'

route:          138.244.0.0/15
descr:          LMU-MEDVER
origin:         AS12816
mnt-routes:     DFN-MNT
mnt-by:         LRZ-MNT
created:        2002-11-25T15:21:45Z
last-modified:  2002-11-25T15:21:45Z
source:         RIPE

% Information related to '138.244.0.0/15AS680'

route:          138.244.0.0/15
descr:          LMU-MEDVER
origin:         AS680
mnt-routes:     LRZ-MNT
mnt-by:         DFN-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2002-11-25T13:22:19Z
source:         RIPE

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

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