% 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 'AS51357 - AS52223'

as-block:       AS51357 - AS52223
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2021-12-09T08:21:17Z
last-modified:  2021-12-09T08:21:17Z
source:         RIPE

% Information related to 'AS51467'

% Abuse contact for 'AS51467' is 'l.buchberger@buchberger.it'

aut-num:        AS51467
as-name:        GEGENBAUER-AS
descr:          Germany
org:            ORG-GHS4-RIPE
import:         from AS3320 accept ANY # DTAG
export:         to AS3320 announce AS51467
import:         from AS8881 accept ANY # Versatel
export:         to AS8881 announce AS51467
admin-c:        MM25318-RIPE
tech-c:         LB155-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         SPACENET-N
created:        2010-08-31T14:40:30Z
last-modified:  2018-09-04T10:53:50Z
source:         RIPE
sponsoring-org: ORG-SA17-RIPE

organisation:   ORG-GHS4-RIPE
org-name:       Gegenbauer Holding S.A. & Co. KG
country:        DE
org-type:       OTHER
address:        Gegenbauer Holding S.A. & Co. KG
                Triftweg 18
                D-16547 Birkenwerder
                Germany
phone:          +49 3303 29876120
fax-no:         +49 3303 29886120
admin-c:        MM25318-RIPE
admin-c:        LB155-RIPE
abuse-c:        AR18491-RIPE
mnt-ref:        SPACENET-N
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         SPACENET-N
created:        2010-08-08T13:11:03Z
last-modified:  2022-12-01T16:27:23Z
source:         RIPE # Filtered

person:         Lorenz Buchberger
address:        Buchberger IT GmbH
address:        Reichsstr. 12
address:        14052  Berlin
address:        Germany
phone:          +49 30 80997261
nic-hdl:        LB155-RIPE
mnt-by:         ITENOS-MNT
created:        2009-06-08T11:10:21Z
last-modified:  2009-06-08T11:10:21Z
source:         RIPE # Filtered

person:         Mario Meyer
address:        Gegenbauer Holding S.A.
address:        Triftweg 18
address:        D-16547 Birkenwerder
address:        Germany
phone:          +49 3303 29876120
fax-no:         +49 3303 29886120
nic-hdl:        MM25318-RIPE
mnt-by:         SPACENET-P
created:        2010-08-08T12:53:07Z
last-modified:  2010-08-08T12:53:07Z
source:         RIPE # Filtered

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

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