% 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 '87.253.96.0 - 87.253.127.255'

% Abuse contact for '87.253.96.0 - 87.253.127.255' is 'registry@isiline.net'

inetnum:        87.253.96.0 - 87.253.127.255
netname:        IT-ISILINE-20051005
country:        IT
org:            ORG-ILs1-RIPE
admin-c:        ILS14-RIPE
tech-c:         INO23-RIPE
descr:          --------------------
descr:          ISI LINE S.R.L.
descr:          Via Marconi n.2
descr:          12037
descr:          Saluzzo (CN)
descr:          Piemonte ITALY
descr:          --------------------
descr:          Bagnus Marco (m.bagnus@isiline.net) | IT Manager
descr:          Beltramo Denis (d.beltramo@isiline.net) | CTO
descr:          Levet Valerio (v.levet@isiline.net) | Network Manager
descr:          --------------------
status:         ALLOCATED PA
mnt-by:         AS13113-MNT
mnt-by:         RIPE-NCC-HM-MNT
created:        2019-02-27T10:10:58Z
last-modified:  2021-08-06T15:47:33Z
source:         RIPE

organisation:   ORG-ILs1-RIPE
org-name:       ISI Line srl
country:        IT
org-type:       LIR
address:        via Marconi n.2
address:        12037
address:        Saluzzo - CN
address:        ITALY
phone:          +39 0175 292929
fax-no:         +39 0175 249501
abuse-c:        AR15808-RIPE
admin-c:        INO23-RIPE
tech-c:         INO23-RIPE
mnt-ref:        AS13113-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         AS13113-MNT
created:        2004-04-17T11:31:57Z
last-modified:  2023-12-11T10:20:17Z
source:         RIPE # Filtered

role:           Isiline Network Operations
address:        I-12037 SALUZZO (CN)
address:        via Marconi, 2
phone:          +39 0175 29 29 26
abuse-mailbox:  abuse@isiline.net
admin-c:        DB21182-RIPE
tech-c:         DB21182-RIPE
tech-c:         VL12322-RIPE
nic-hdl:        INO23-RIPE
mnt-by:         AS13113-MNT
created:        2019-03-01T14:52:25Z
last-modified:  2019-03-09T14:41:10Z
source:         RIPE # Filtered

person:         Beltramo Denis
address:        Via Marconi, 2
address:        I-12037 Saluzzo (CN)
phone:          +39 0175 292929
fax-no:         +39 0175 249501
nic-hdl:        ILS14-RIPE
mnt-by:         AS13113-MNT
created:        2007-07-12T13:11:28Z
last-modified:  2019-01-21T11:34:12Z
source:         RIPE # Filtered

% Information related to '87.253.115.0/24AS13113'

route:          87.253.115.0/24
origin:         AS13113
mnt-by:         AS13113-MNT
created:        2021-08-06T13:03:42Z
last-modified:  2021-08-06T13:03:42Z
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