% 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://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to '146.158.58.0 - 146.158.59.255'

% Abuse contact for '146.158.58.0 - 146.158.59.255' is 'noc@dianet.online'

inetnum:        146.158.58.0 - 146.158.59.255
netname:        DIANET-NET
country:        UA
org:            ORG-DL176-RIPE
admin-c:        DLN19-RIPE
tech-c:         DLN19-RIPE
status:         ASSIGNED PA
mnt-by:         RIPE-DB-MNT
mnt-lower:      RIPE-DB-MNT
mnt-domains:    RIPE-DB-MNT
mnt-routes:     RIPE-DB-MNT
mnt-routes:     MNT-DIANET-UA
created:        2019-03-04T11:22:45Z
last-modified:  2021-09-16T06:55:24Z
source:         RIPE

organisation:   ORG-DL176-RIPE
org-name:       Dianet Ltd.
country:        UA
org-type:       OTHER
phone:          +380665755989
address:        40 Chumachenko str., Zaporizhzhya, Ukraine
admin-c:        DLN19-RIPE
tech-c:         DLN19-RIPE
abuse-c:        DLN19-RIPE
mnt-ref:        RIPE-DB-MNT
mnt-by:         RIPE-DB-MNT
created:        2013-05-16T08:13:05Z
last-modified:  2022-12-01T17:01:28Z
source:         RIPE # Filtered

role:           Dianet Ltd. NOC
phone:          +380665755989
address:        40 Chumachenko str., Zaporizhzhya, Ukraine
admin-c:        DD8645-RIPE
tech-c:         DD8645-RIPE
nic-hdl:        DLN19-RIPE
abuse-mailbox:  noc@dianet.online
mnt-by:         RIPE-DB-MNT
created:        2014-10-10T11:43:28Z
last-modified:  2021-09-16T19:53:38Z
source:         RIPE # Filtered

% Information related to '146.158.58.0/24AS60754'

route:          146.158.58.0/24
descr:          Dianet Ltd.
origin:         AS60754
mnt-by:         MNT-DIANET-UA
mnt-by:         RIPE-DB-MNT
created:        2019-04-05T06:10:10Z
last-modified:  2019-04-05T06:10:10Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.114 (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