% 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 '81.72.97.0 - 81.72.97.255'

% Abuse contact for '81.72.97.0 - 81.72.97.255' is 'abuse@retail.telecomitalia.it'

inetnum:        81.72.97.0 - 81.72.97.255
netname:        TIWS-NETECONOMY-1
descr:          Telecom Italia SMART-SPEEDWAY
country:        IT
admin-c:        NT1116-RIPE
tech-c:         NT1116-RIPE
status:         ASSIGNED PA
remarks:        ************************************************
remarks:        Pay attention
remarks:        Any communication sent to email different
remarks:        from the following will be ignored!
remarks:        Any abuse reports, please send them to
remarks:        abuse@business.telecomitalia.it
remarks:        ************************************************
mnt-by:         TIWS-MNT
created:        2002-05-02T09:51:28Z
last-modified:  2005-09-19T14:34:23Z
source:         RIPE

person:         NetEconomy TI
address:        Via Val Cannuta, 250
address:        00100 Roma Italy
phone:          +39-06-36881
nic-hdl:        NT1116-RIPE
created:        2001-12-14T22:41:31Z
last-modified:  2013-03-19T14:25:11Z
source:         RIPE
mnt-by:         TIWS-MNT

% Information related to '81.72.0.0/16AS3269'

route:          81.72.0.0/16
descr:          INTERBUSINESS
origin:         AS3269
mnt-by:         INTERB-MNT
created:        2002-01-22T07:43:12Z
last-modified:  2002-01-22T07:43:12Z
source:         RIPE # Filtered

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