% 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 '2a01:c000::/20'

% Abuse contact for '2a01:c000::/20' is 'gestionip.ft@orange.com'

inet6num:       2a01:c000::/20
netname:        FR-TELECOM-20051230
country:        FR
org:            ORG-FT2-RIPE
admin-c:        AB5579-RIPE
tech-c:         BRX1-RIPE
status:         ALLOCATED-BY-RIR
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         FT-BRX
mnt-routes:     FT-BRX
created:        2024-07-22T11:04:09Z
last-modified:  2026-02-03T14:13:12Z
source:         RIPE # Filtered

% Information related to '2a01:c000::/20AS5511'

route6:         2a01:c000::/20
descr:          Orange S.A.
origin:         AS5511
mnt-by:         FT-BRX
mnt-routes:     FT-BRX
mnt-routes:     MNT-AS47377
created:        2024-04-30T07:32:03Z
last-modified:  2024-04-30T07:32:03Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.123 (DEXTER)