% 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 '91.106.120.0 - 91.106.127.255'

% Abuse contact for '91.106.120.0 - 91.106.127.255' is 'abuse@r-kom.de'

inetnum:        91.106.120.0 - 91.106.127.255
netname:        DE-R-KOM-20120621
country:        DE
geoloc:         49.014042 12.127519
geofeed:        https://geofeed.r-kom.de/geofeed.csv
org:            ORG-RA3-RIPE
admin-c:        RKOM-RIPE
tech-c:         RKOM-RIPE
status:         ALLOCATED PA
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         RKOM-MNT
mnt-lower:      RKOM-MNT
mnt-routes:     RKOM-MNT
created:        2012-06-21T15:52:20Z
last-modified:  2022-10-20T06:04:16Z
source:         RIPE # Filtered

organisation:   ORG-RA3-RIPE
org-name:       R-KOM Regensburger Telekommunikationsgesellschaft mbH
country:        DE
org-type:       LIR
address:        Kastenmaierstrasse 1
address:        93055
address:        Regensburg
address:        GERMANY
phone:          +49 941 6985 180
fax-no:         +49 941 6985 200
admin-c:        AR4019-RIPE
tech-c:         RKOM-RIPE
abuse-c:        RKOM-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        RKOM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         RKOM-MNT
created:        2004-04-17T11:11:36Z
last-modified:  2024-01-03T12:11:50Z
source:         RIPE # Filtered

role:           R-KOM NOC
address:        R-KOM Regensburger Telekommunikationsgesellschaft mbH
address:        Kastenmaierstrasse 1
address:        93055 Regensburg
phone:          +49 941 6985 180
fax-no:         +49 941 6985 200
remarks:        -------------------------------------------------------
remarks:        The R-KOM NOC always can be reached at noc@r-kom.de
remarks:        or +49 941 6985 180 or +49 941 60822 66
remarks:        See also the AS12611 object in the RIPE database.
remarks:        -------------------------------------------------------
admin-c:        AR4019-RIPE
tech-c:         AB27637-RIPE
tech-c:         PK10276-RIPE
tech-c:         SMB1-RIPE
tech-c:         TA6826-RIPE
abuse-mailbox:  abuse@r-kom.de
nic-hdl:        RKOM-RIPE
mnt-by:         RKOM-MNT
created:        2003-10-09T11:03:34Z
last-modified:  2024-12-11T07:53:47Z
source:         RIPE # Filtered

% Information related to '91.106.120.0/21AS12611'

route:          91.106.120.0/21
descr:          R-KOM Regensburger Telekommunikationsgesellschaft mbH
origin:         AS12611
mnt-by:         RKOM-MNT
created:        2012-06-22T05:25:19Z
last-modified:  2024-06-27T09:54:03Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.120 (SHETLAND)