% 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 '2a00:1620:c0::/48'

% Abuse contact for '2a00:1620:c0::/48' is 'hostmaster@iit.cnr.it'

inet6num:       2a00:1620:c0::/48
netname:        CNR-Pisa-IPv6
descr:          Area della Ricerca diPisa
country:        IT
admin-c:        MS200
tech-c:         DV73
status:         ALLOCATED-BY-LIR
mnt-by:         CNR-MNT
created:        2010-01-18T12:59:39Z
last-modified:  2010-01-18T12:59:39Z
source:         RIPE

person:         Daniele Vannozzi
address:        IIT - Istituto del CNR
address:        Via Giuseppe Moruzzi, 1
address:        I-56124 Pisa
address:        Italy
mnt-by:         CNR-MNT
phone:          +39 050 3139811
nic-hdl:        DV73
created:        2002-08-13T19:57:10Z
last-modified:  2024-12-19T15:14:41Z
source:         RIPE # Filtered

person:         Marco Sommani
address:        IIT - Istituto del CNR
address:        Via Giuseppe Moruzzi, 1
address:        I-56124 Pisa
address:        Italia
mnt-by:         CNR-MNT
phone:          +39 050 3152127
fax-no:         +39 050 3152593
nic-hdl:        MS200
created:        1970-01-01T00:00:00Z
last-modified:  2010-12-21T09:08:11Z
source:         RIPE # Filtered

% Information related to '2a00:1620::/32AS137'

route6:         2a00:1620::/32
descr:          CNR-IPv6-NET
origin:         AS137
remarks:        Consiglio Nazionale delle Ricerche
remarks:        To notify abuse mailto: cert@garr.it
mnt-by:         GARR-LIR
created:        2009-12-21T08:56:30Z
last-modified:  2013-11-06T15:43:12Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.120 (BUSA)