% 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 '84.253.136.0 - 84.253.136.255'

% Abuse contact for '84.253.136.0 - 84.253.136.255' is 'abuse@retelit.it'

inetnum:        84.253.136.0 - 84.253.136.255
netname:        RETELIT-NET
country:        IT
admin-c:        ICR22-RIPE
tech-c:         ICR22-RIPE
status:         ASSIGNED PA
mnt-by:         AS3302-MNT
created:        2005-07-22T13:15:30Z
last-modified:  2025-12-29T09:10:07Z
source:         RIPE # Filtered

role:           Retelit Contact Role
address:        Retelit Digital Services S.p.A.
address:        Via Pola, 9
address:        I-20124 Milano - ITALY
phone:          +39 02 438191
remarks:        Role account for Retelit
remarks:        ****************************************
remarks:        * For ABUSE/SPAM/INTRUSION issues *
remarks:        * please send mail to abuse@retelit.it *
remarks:        ****************************************
org:            ORG-TM2-RIPE
admin-c:        SC23232-RIPE
admin-c:        FG13235-RIPE
tech-c:         SC1267-RIPE
tech-c:         SM1688-RIPE
tech-c:         SC27847-RIPE
nic-hdl:        ICR22-RIPE
abuse-mailbox:  abuse@retelit.it
mnt-by:         RETELIT-MNT
created:        2019-03-06T09:12:07Z
last-modified:  2025-11-04T15:11:24Z
source:         RIPE # Filtered

% Information related to '84.253.128.0/20AS5396'

route:          84.253.128.0/20
descr:          Irideos Spa
origin:         AS5396
mnt-by:         AS5396-MNT
created:        2011-03-23T13:11:02Z
last-modified:  2019-07-11T09:46:35Z
source:         RIPE # Filtered

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