% 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 '5.252.213.0 - 5.252.213.255'

% Abuse contact for '5.252.213.0 - 5.252.213.255' is 'abuse@miconet.pl'

inetnum:        5.252.213.0 - 5.252.213.255
org:            ORG-MSZO73-RIPE
descr:          Miconet Sp. z o.o.
netname:        MikoNET
country:        PL
admin-c:        GD7436-RIPE
tech-c:         GD7436-RIPE
status:         ASSIGNED PA
mnt-routes:     pl-zfix-1-mnt
mnt-domains:    MICONET-MNT
mnt-domains:    pl-zfix-1-mnt
mnt-by:         pl-zfix-1-mnt
created:        2023-04-20T13:18:24Z
last-modified:  2023-04-20T13:18:24Z
source:         RIPE

organisation:   ORG-MSZO73-RIPE
org-name:       Miconet Sp. z o.o.
org-type:       OTHER
address:        Bielska 49
address:        43-190
address:        Mikolow
address:        POLAND
admin-c:        GD7436-RIPE
tech-c:         GD7436-RIPE
abuse-c:        AR43074-RIPE
mnt-ref:        pl-zfix-1-mnt
mnt-by:         pl-zfix-1-mnt
created:        2018-09-10T15:27:11Z
last-modified:  2018-09-10T15:27:11Z
source:         RIPE # Filtered

person:         Grzegorz Dlugaj
address:        Bielska 49
address:        43-384
address:        Mikolow
address:        POLAND
phone:          +48327797500
nic-hdl:        GD7436-RIPE
mnt-by:         MICONET-MNT
created:        2017-09-14T07:31:59Z
last-modified:  2017-09-14T07:32:00Z
source:         RIPE

% Information related to '5.252.213.0/24AS35007'

route:          5.252.213.0/24
descr:          Miconet Sp. z o.o.
origin:         AS35007
mnt-by:         pl-zfix-1-mnt
mnt-by:         MICONET-MNT
created:        2023-04-20T13:18:24Z
last-modified:  2023-04-20T13:18:24Z
source:         RIPE

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

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