% 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 '2001:910:1000::/38'

% Abuse contact for '2001:910:1000::/38' is 'abuse@gitoyen.net'

inet6num:       2001:910:1000::/38
descr:          FDN IPv6 Access Network
netname:        FDN-IPV6-ACCESS
country:        fr
status:         AGGREGATED-BY-LIR
assignment-size: 48
mnt-by:         GITOYEN-NCC
created:        2012-03-30T12:26:36Z
last-modified:  2012-03-30T12:26:36Z
source:         RIPE # Filtered
admin-c:        GI1036-RIPE
tech-c:         GI1036-RIPE

role:           NOC Gitoyen
address:        Gitoyen
address:        21 ter rue Voltaire
address:        75011 Paris
address:        France
remarks:        Email is preferred
admin-c:        PLB73-RIPE
admin-c:        VL239-RIPE
admin-c:        CM12414-RIPE
admin-c:        JR5446-RIPE
admin-c:        SB18329-RIPE
admin-c:        TVO62-RIPE
admin-c:        THP25-RIPE
tech-c:         PLB73-RIPE
tech-c:         JR5446-RIPE
tech-c:         SB18329-RIPE
tech-c:         TVO62-RIPE
tech-c:         THP25-RIPE
nic-hdl:        GI1036-RIPE
mnt-by:         Gitoyen-NCC
abuse-mailbox:  abuse@gitoyen.net
created:        2002-03-18T10:59:55Z
last-modified:  2018-07-22T11:24:23Z
source:         RIPE # Filtered

% Information related to '2001:910::/32AS20766'

route6:         2001:910::/32
descr:          Gitoyen IPv6 Network
origin:         AS20766
mnt-by:         GITOYEN-NCC
created:        2010-07-29T20:40:43Z
last-modified:  2012-02-23T13:06:51Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.112 (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