% 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 '109.248.4.0 - 109.248.4.255'

% Abuse contact for '109.248.4.0 - 109.248.4.255' is 'abuse@arkcore.ru'

inetnum:        109.248.4.0 - 109.248.4.255
netname:        ARKCORE
org:            ORG-LST9-RIPE
country:        RU
admin-c:        AA39177-RIPE
tech-c:         AA39177-RIPE
mnt-lower:      ARKCORE-MNT
mnt-routes:     ARKCORE-MNT
mnt-domains:    ARKCORE-MNT
status:         ASSIGNED PA
mnt-by:         MNT-NETART
created:        2020-09-08T16:34:52Z
last-modified:  2023-11-23T15:11:27Z
source:         RIPE

organisation:   ORG-LST9-RIPE
descr:          ARKCORE
org-name:       Individual Entrepreneur Suvorov Maxim Sergeevich
country:        RU
org-type:       OTHER
address:        Russia, Novosibirsk region
address:        city Novosibirsk, village Mochishe
address:        street Cvetochnaya, 14
admin-c:        GM26974-RIPE
admin-c:        SMS389-RIPE
admin-c:        SB31346-RIPE
remarks:        ====================
remarks:        If you have a controversial question, write to the mail office@arkcore.ru
remarks:        Network service department noc@arkcore.ru
remarks:        ====================
abuse-c:        AA39177-RIPE
mnt-ref:        ARKCORE-MNT
mnt-ref:        DN-MNT
mnt-ref:        MNT-NETART
mnt-ref:        ARKCORENOC-MNT
mnt-by:         ARKCORE-MNT
mnt-by:         ARKCORENOC-MNT
created:        2023-09-19T17:14:34Z
last-modified:  2024-01-24T03:00:55Z
source:         RIPE # Filtered

role:           ARKCORE-RIPE
address:        Moscow
address:        Nagatinskaya building 16k1 house 2
abuse-mailbox:  abuse@arkcore.ru
phone:          +7 (499) 677-6666
nic-hdl:        AA39177-RIPE
mnt-by:         ARKCORE-MNT
created:        2022-02-10T03:11:01Z
last-modified:  2023-09-20T11:19:04Z
source:         RIPE # Filtered

% Information related to '109.248.4.0/24AS35598'

route:          109.248.4.0/24
origin:         AS35598
mnt-by:         ARKCORE-MNT
created:        2024-01-24T02:35:42Z
last-modified:  2024-01-24T02:35:42Z
source:         RIPE

% Information related to '109.248.4.0/24AS43278'

route:          109.248.4.0/24
origin:         AS43278
mnt-lower:      ARKCORE-MNT
mnt-routes:     ARKCORE-MNT
mnt-by:         ARKCORE-MNT
created:        2023-11-23T10:52:06Z
last-modified:  2023-11-23T10:52:06Z
source:         RIPE

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

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