% 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 '2001:4bc8::/29'

% Abuse contact for '2001:4bc8::/29' is 'abuse@magenta.at'

inet6num:       2001:4bc8::/29
netname:        AT-MAXMOBIL-20050303
country:        AT
org:            ORG-MTSG1-RIPE
admin-c:        TMA5-RIPE
tech-c:         TMA5-RIPE
status:         ALLOCATED-BY-RIR
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         AS8412-MNT
mnt-routes:     AS8412-MNT
mnt-domains:    AS8412-MNT
created:        2016-08-26T10:17:09Z
last-modified:  2017-07-20T14:50:13Z
source:         RIPE # Filtered

organisation:   ORG-MTSG1-RIPE
org-name:       T-Mobile Austria GmbH
country:        AT
org-type:       LIR
address:        Rennweg 97-99
address:        A-1030
address:        Wien
address:        AUSTRIA
phone:          +43 1 795 85 7239
admin-c:        MR1765-RIPE
mnt-ref:        AS8412-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         AS8412-MNT
abuse-c:        TMA5-RIPE
created:        2004-04-17T10:59:05Z
last-modified:  2023-09-18T20:41:26Z
source:         RIPE # Filtered

role:           Magenta Telekom
address:        T-Mobile Austria GmbH
address:        Rennweg 97-99
address:        A-1030 Vienna
address:        Austria
mnt-by:         AS8412-MNT
abuse-mailbox:  abuse@magenta.at
org:            ORG-MTSG1-RIPE
admin-c:        TH2844-RIPE
admin-c:        KRK9-RIPE
admin-c:        CS552-RIPE
admin-c:        DK1765-RIPE
admin-c:        WIGG1-RIPE
tech-c:         TH2844-RIPE
tech-c:         KRK9-RIPE
tech-c:         CS552-RIPE
tech-c:         DK1765-RIPE
tech-c:         WIGG1-RIPE
nic-hdl:        TMA5-RIPE
created:        2006-08-02T10:45:55Z
last-modified:  2023-09-18T18:08:37Z
source:         RIPE # Filtered

% Information related to '2001:4bc8::/29AS8412'

route6:         2001:4bc8::/29
descr:          Magenta Telekom
origin:         AS8412
mnt-by:         AS8412-MNT
created:        2016-08-29T07:59:46Z
last-modified:  2021-07-05T17:42:29Z
source:         RIPE

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

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