% 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://apps.db.ripe.net/docs/HTML-Terms-And-Conditions

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to '129.233.128.0 - 129.233.191.255'

% Abuse contact for '129.233.128.0 - 129.233.191.255' is 'noc-services@iosb.fraunhofer.de'

inetnum:        129.233.128.0 - 129.233.191.255
netname:        Fraunhofer-129-233-NO-Intranet-1
descr:          Fraunhofer-129-233-NO-Intranet-1
country:        DE
org:            ORG-FzFd2-RIPE
admin-c:        FHG20-RIPE
tech-c:         FHG20-RIPE
status:         LEGACY
remarks:
mnt-by:         MNT-FHG-LIR
mnt-domains:    MNT-FHG-DOMAINS
mnt-routes:     DFN-MNT
created:        2017-07-07T11:43:23Z
last-modified:  2017-07-07T12:16:28Z
source:         RIPE

organisation:   ORG-FzFd2-RIPE
org-name:       Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
country:        DE
org-type:       LIR
address:        Fraunhoferstr.1
address:        76131
address:        Karlsruhe
address:        GERMANY
phone:          +4972160910
fax-no:         +497216091413
mnt-ref:        HS96391-MNT
mnt-ref:        MNT-FHG-LIR
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-FHG-LIR
abuse-c:        FHG20-RIPE
created:        2011-11-04T11:49:46Z
last-modified:  2020-12-16T13:17:15Z
source:         RIPE # Filtered

role:           FHG LIR ROLE
address:        Fraunhofer Institut fuer Optronik, Systemtechnik und Bildauswertung IOSB
abuse-mailbox:  noc-services@iosb.fraunhofer.de
admin-c:        HS5806-RIPE
tech-c:         HS5806-RIPE
nic-hdl:        FHG20-RIPE
mnt-by:         MNT-FHG-LIR
created:        2012-05-06T10:25:23Z
last-modified:  2013-04-29T17:24:56Z
source:         RIPE # Filtered

% Information related to '129.233.128.0/18AS680'

route:          129.233.128.0/18
origin:         AS680
mnt-by:         DFN-MNT
mnt-routes:     MNT-FHG-LIR
mnt-routes:     FhG-MNT
created:        2017-07-11T12:27:54Z
last-modified:  2023-04-14T13:09:38Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.111 (ABERDEEN)

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