% 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 '2001:67c:11a8::/48'

% Abuse contact for '2001:67c:11a8::/48' is 'abuse@vlp.cz'

inet6num:       2001:67c:11a8::/48
netname:        VLP-NET
country:        CZ
org:            ORG-Va213-RIPE
admin-c:        VA33175-RIPE
tech-c:         VA33175-RIPE
status:         ASSIGNED PI
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         VLM-MNT
mnt-routes:     VLM-MNT
mnt-domains:    VLM-MNT
created:        2013-01-10T07:07:02Z
last-modified:  2016-12-13T13:22:55Z
source:         RIPE
sponsoring-org: ORG-Ra2-RIPE

organisation:   ORG-Va213-RIPE
org-name:       VLTAVA LABE MEDIA a.s.
country:        CZ
org-type:       other
address:        U Trezorky 921/2
address:        Praha 5 - Jinonice
address:        15800
address:        Czech Republic
abuse-c:        AR21328-RIPE
mnt-ref:        VLM-MNT
mnt-by:         VLM-MNT
created:        2010-03-10T15:00:35Z
last-modified:  2022-12-01T16:57:47Z
source:         RIPE # Filtered

role:           VLM Admin
address:        VLTAVA LABE MEDIA, a.s.
address:        U Trezorky 921/2
address:        Praha 5 - Jinonice
address:        15800
address:        Czech Republic
admin-c:        PM11558-RIPE
tech-c:         PM11558-RIPE
nic-hdl:        VA33175-RIPE
mnt-by:         VLM-MNT
created:        2016-12-13T13:06:44Z
last-modified:  2016-12-13T13:06:44Z
source:         RIPE # Filtered

% Information related to '2001:67c:11a8::/48AS50695'

route6:         2001:67c:11a8::/48
descr:          VLTAVA LABE MEDIA, a.s.
origin:         AS50695
mnt-by:         VLM-MNT
created:        2013-01-10T08:47:47Z
last-modified:  2016-12-13T13:22:55Z
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