% 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 '82.143.4.0 - 82.143.7.255'

% Abuse contact for '82.143.4.0 - 82.143.7.255' is 'abuse@iptelecom.it'

inetnum:        82.143.4.0 - 82.143.7.255
geoloc:         42.859704 13.722052
netname:        IPTLC-CUSTOMERS
descr:          IP Wan and Public Net Customer's Router
country:        IT
admin-c:        MR24084-RIPE
tech-c:         ITN23-RIPE
status:         ASSIGNED PA
remarks:        abuse: abuse@iptelecom.it
mnt-lower:      mnt-it-iptelecom-1
mnt-routes:     mnt-it-iptelecom-1
mnt-by:         mnt-it-iptelecom-1
created:        2010-02-01T14:59:49Z
last-modified:  2023-09-27T10:13:44Z
source:         RIPE # Filtered

role:           IP TELECOM NOC
org:            ORG-ITS56-RIPE
address:        SP Mezzina snc
address:        Italy
address:        IT-63100
address:        Ascoli Piceno
abuse-mailbox:  abuse@iptelecom.it
tech-c:         AB38634-RIPE
tech-c:         LC16193-RIPE
nic-hdl:        ITN23-RIPE
mnt-by:         mnt-it-iptelecom-1
created:        2019-02-21T11:17:35Z
last-modified:  2023-09-25T15:44:07Z
source:         RIPE # Filtered

person:         Marco Regnicoli
address:        Strada Provinciale Mezzina snc
address:        IT-63100
address:        Ascoli Piceno
address:        ITALY
phone:          +39.07366110
nic-hdl:        MR24084-RIPE
mnt-by:         mnt-it-iptelecom-1
created:        2019-01-02T16:06:34Z
last-modified:  2019-01-02T16:06:35Z
source:         RIPE

% Information related to '82.143.0.0/18AS29449'

route:          82.143.0.0/18
descr:          ip telecom srl
descr:          PROVIDER LOCAL REGISTRY
origin:         AS29449
mnt-lower:      mnt-it-iptelecom-1
mnt-routes:     mnt-it-iptelecom-1
mnt-by:         mnt-it-iptelecom-1
created:        2003-10-07T15:11:59Z
last-modified:  2019-02-21T11:21:51Z
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