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

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% The objects are in RPSL format.
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% Information related to '134.61.0.0 - 134.61.255.255'

% Abuse contact for '134.61.0.0 - 134.61.255.255' is 'abuse@rwth-aachen.de'

inetnum:        134.61.0.0 - 134.61.255.255
netname:        RWTHPHYS
country:        DE
org:            ORG-RAU1-RIPE
admin-c:        NN2136-RIPE
tech-c:         CJV25-RIPE
tech-c:         NN2136-RIPE
status:         LEGACY
mnt-by:         RIPE-NCC-LEGACY-MNT
mnt-by:         RWTH1-MNT
mnt-by:         DFN-LIR-MNT
mnt-lower:      DFN-LIR-MNT
mnt-routes:     DFN-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2024-09-11T20:36:31Z
source:         RIPE

organisation:   ORG-RAU1-RIPE
org-name:       RWTH Aachen University
country:        DE
org-type:       LIR
address:        Templergraben 55
address:        52056
address:        Aachen
address:        GERMANY
phone:          +49 241 80 24680
admin-c:        NN2136-RIPE
tech-c:         CJV25-RIPE
tech-c:         NN2136-RIPE
tech-c:         RLIR1-RIPE
abuse-c:        AR32014-RIPE
mnt-ref:        RWTH1-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         RWTH1-MNT
mnt-ref:        RIPE-NCC-HM-MNT
created:        2015-04-29T13:43:42Z
last-modified:  2024-09-11T20:48:11Z
source:         RIPE # Filtered

person:         Christoph Viethen
address:        RWTH Aachen
address:        IT Center
address:        Wendlingweg 10
address:        52074 Aachen
address:        Germany
phone:          +49 241 80 29204
nic-hdl:        CJV25-RIPE
mnt-by:         RWTH1-MNT
created:        2015-04-29T14:44:54Z
last-modified:  2015-04-29T14:56:55Z
source:         RIPE # Filtered

person:         Nils Neumann
address:        RWTH Aachen
address:        IT Center
address:        Wendlingweg 10
address:        52074 Aachen
address:        Germany
phone:          +49 241 80 29214
nic-hdl:        NN2136-RIPE
mnt-by:         RWTH1-MNT
created:        2015-04-29T13:43:41Z
last-modified:  2015-04-29T15:21:02Z
source:         RIPE

% Information related to '134.61.0.0/16AS47610'

route:          134.61.0.0/16
descr:          RWTHPHYS
origin:         AS47610
mnt-routes:     RWTH1-MNT
mnt-by:         DFN-MNT
mnt-by:         RWTH1-MNT
created:        2015-07-15T11:36:47Z
last-modified:  2015-07-15T11:51:52Z
source:         RIPE

% Information related to '134.61.0.0/16AS680'

route:          134.61.0.0/16
descr:          RWTHPHYS
origin:         AS680
mnt-routes:     RWTH1-MNT
mnt-routes:     RWTH4-MNT
mnt-by:         DFN-MNT
created:        2005-01-07T12:24:05Z
last-modified:  2015-07-15T07:32:33Z
source:         RIPE

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

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