% 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 '212.237.0.0 - 212.237.63.255'

% Abuse contact for '212.237.0.0 - 212.237.63.255' is 'abuse@staff.aruba.it'

inetnum:        212.237.0.0 - 212.237.63.255
netname:        IT-ARUBABUSINESS-19980925
country:        IT
org:            ORG-Ws5-RIPE
admin-c:        NIT10-RIPE
admin-c:        AN3450-RIPE
tech-c:         NIT10-RIPE
status:         ALLOCATED PA
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         ARUBA-MNT
mnt-lower:      NNETMNT
mnt-lower:      ARUBA-MNT
mnt-routes:     NNETMNT
mnt-routes:     ARUBA-MNT
created:        2016-11-22T12:10:55Z
last-modified:  2016-11-29T14:34:49Z
source:         RIPE # Filtered

organisation:   ORG-Ws5-RIPE
org-name:       Aruba Business S.R.L.
country:        IT
org-type:       LIR
address:        Via Gulinelli, 21/A
address:        44122
address:        Ferrara
address:        ITALY
phone:          +390532230909
fax-no:         +390532230919
abuse-c:        AN3450-RIPE
admin-c:        AN3450-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        ARUBA-MNT
mnt-ref:        WIDESTORE-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         ARUBA-MNT
created:        2005-04-28T08:31:11Z
last-modified:  2021-09-07T15:41:25Z
source:         RIPE # Filtered

role:           ARUBA Network
address:        Aruba S.p.A.
address:        via S.Clemente 53
address:        24036 Ponte San Pietro (BG)
address:        Italy
abuse-mailbox:  abuse@staff.aruba.it
admin-c:        SC279-RIPE
admin-c:        AC68-RIPE
tech-c:         LR8449-RIPE
tech-c:         PL14025-RIPE
tech-c:         MP36509-RIPE
tech-c:         RADA-RIPE
nic-hdl:        AN3450-RIPE
mnt-by:         ARUBA-MNT
created:        2008-11-19T19:02:34Z
last-modified:  2021-09-03T15:23:40Z
source:         RIPE # Filtered

role:           NineNet IP Team
address:        Via Caldera 21 - Milano - Italy
nic-hdl:        NIT10-RIPE
mnt-by:         NNETMNT
created:        2013-11-07T14:50:36Z
last-modified:  2013-11-07T14:50:36Z
source:         RIPE # Filtered

% Information related to '212.237.0.0/18AS31034'

route:          212.237.0.0/18
origin:         AS31034
mnt-by:         ARUBA-MNT
created:        2016-11-29T09:53:47Z
last-modified:  2016-11-29T09:53:47Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.111 (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