% 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 '89.96.246.176 - 89.96.246.183'

% Abuse contact for '89.96.246.176 - 89.96.246.183' is 'abuse@fastweb.it'

inetnum:        89.96.246.176 - 89.96.246.183
netname:        FASTWEB-CARRARO
descr:          CARRARO public subnet
country:        IT
admin-c:        LP3873-RIPE
tech-c:         IRSN1-RIPE
status:         ASSIGNED PA
mnt-by:         FASTWEB-MNT
remarks:        In case of improper use originating from our network,
remarks:        please mail customer or abuse@fastweb.it
created:        2006-11-13T10:45:02Z
last-modified:  2006-11-14T16:40:02Z
source:         RIPE

% Information related to '89.96.0.0/16AS12874'

route:          89.96.0.0/16
descr:          Fastweb Networks block
origin:         AS12874
mnt-by:         FASTWEB-MNT
created:        2006-02-21T12:39:42Z
last-modified:  2006-02-21T12:41:49Z
source:         RIPE
remarks:
remarks:        In case of improper use originating from our network,
remarks:        please mail customer or abuse@fastweb.it
remarks:

% This query was served by the RIPE Database Query Service version 1.124.1 (BUSA)