% 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 '2a02:8300::/28'

% Abuse contact for '2a02:8300::/28' is 'abuse@vodafone.cz'

inet6num:       2a02:8300::/28
netname:        CZ-OSKARMOBIL-20110808
country:        CZ
org:            ORG-CMa1-RIPE
admin-c:        OSKR-RIPE
tech-c:         OSKR-RIPE
status:         ALLOCATED-BY-RIR
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         VFCZ-MNT
mnt-lower:      OSKR-MNT
created:        2011-08-08T14:35:33Z
last-modified:  2020-11-13T12:52:56Z
source:         RIPE # Filtered

organisation:   ORG-CMa1-RIPE
org-name:       Vodafone Czech Republic a.s.
country:        CZ
org-type:       LIR
address:        namesti Junkovych 2
address:        155 00
address:        Prague 5
address:        CZECH REPUBLIC
phone:          +420271171111
fax-no:         +420776971955
mnt-ref:        VFCZ-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         VFCZ-MNT
admin-c:        OSKR-RIPE
abuse-c:        OSKR-RIPE
created:        2004-04-17T11:04:44Z
last-modified:  2020-12-16T13:29:21Z
source:         RIPE # Filtered

role:           OSKAR LIR
address:        Vodafone Czech Republic a.s.
address:        namesti Junkovych 2
address:        Praha 5
address:        15500
address:        Czech Republic
phone:          +420 271 171 626
fax-no:         +420 776 971 912
admin-c:        PG596-RIPE
tech-c:         PG596-RIPE
tech-c:         BL54-RIPE
abuse-mailbox:  abuse@vodafone.cz
mnt-by:         VFCZ-MNT
nic-hdl:        OSKR-RIPE
created:        2002-03-22T08:52:34Z
last-modified:  2024-03-08T10:59:19Z
source:         RIPE # Filtered

% Information related to '2a02:8308::/29AS16019'

route6:         2a02:8308::/29
descr:          Vodafone Czech Republic a.s.
origin:         AS16019
mnt-by:         VFCZ-MNT
created:        2021-02-02T12:00:19Z
last-modified:  2021-02-02T12:00:19Z
source:         RIPE

% 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