% 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 '5.83.124.0 - 5.83.127.255'

% Abuse contact for '5.83.124.0 - 5.83.127.255' is 'abuse@convergenze.it'

inetnum:        5.83.124.0 - 5.83.127.255
netname:        CONVERGENZE-NET
org:            ORG-CS92-RIPE
country:        IT
geoloc:         40.637190092646705 14.84928248903326
admin-c:        RP2510-RIPE
tech-c:         RP2510-RIPE
status:         SUB-ALLOCATED PA
mnt-by:         MNT-CONVERGENZE
created:        2023-12-11T17:27:31Z
last-modified:  2023-12-27T08:20:42Z
source:         RIPE

organisation:   ORG-CS92-RIPE
org-name:       Convergenze S.p.A.
country:        IT
org-type:       LIR
address:        via Magna Graecia 136
address:        84047
address:        Capaccio Scalo (SA)
address:        ITALY
phone:          +393488329287
fax-no:         +3908281962100
abuse-c:        RP11668-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-CONVERGENZE
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-CONVERGENZE
created:        2008-03-14T10:59:02Z
last-modified:  2020-12-16T13:28:04Z
source:         RIPE # Filtered

person:         Rosario Pingaro
address:        Via Magna Graecia 136
address:        84040 - Capaccio S. (Salerno)
phone:          +390828730167
nic-hdl:        RP2510-RIPE
created:        2004-07-15T17:01:49Z
last-modified:  2016-04-06T14:09:58Z
mnt-by:         RIPE-NCC-LOCKED-MNT
source:         RIPE # Filtered

% Information related to '5.83.124.0/22AS39120'

route:          5.83.124.0/22
origin:         AS39120
descr:          Convergenze - net
mnt-by:         MNT-CONVERGENZE
created:        2023-12-11T17:33:16Z
last-modified:  2023-12-11T17:33:16Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.113.2 (BUSA)

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