% 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 '78.158.192.0 - 78.158.192.255'

% Abuse contact for '78.158.192.0 - 78.158.192.255' is 'noc@sevtele.com'

inetnum:        78.158.192.0 - 78.158.192.255
org:            ORG-SL1022-RIPE
netname:        SEVTELECOM
country:        RU
admin-c:        SMV63-RIPE
tech-c:         SMV63-RIPE
mnt-routes:     GIGANET-UA-MNT
status:         ASSIGNED PA
mnt-by:         GIGANET-UA-MNT
created:        2020-01-14T06:12:07Z
last-modified:  2021-02-16T11:19:35Z
source:         RIPE

organisation:   ORG-SL1022-RIPE
org-name:       SEVTELECOM LTD
country:        RU
org-type:       OTHER
address:        office 3, 4-13 Remeslennaya str., Simferopol, 295000, Russian Federation
abuse-c:        ACRO34309-RIPE
mnt-ref:        GIGANET-UA-MNT
mnt-by:         mnt-ru-igkh-1
created:        2021-02-01T11:20:52Z
last-modified:  2022-12-01T17:26:01Z
source:         RIPE # Filtered

person:         Sinev Maksim Viktorovich
address:        Russia, Simferopol
phone:          +79787872685
nic-hdl:        SMV63-RIPE
mnt-by:         GIGANET-UA-MNT
created:        2008-10-20T18:38:10Z
last-modified:  2024-04-17T12:46:53Z
source:         RIPE # Filtered

% Information related to '78.158.192.0/24AS211791'

route:          78.158.192.0/24
origin:         AS211791
mnt-by:         GIGANET-UA-MNT
created:        2021-07-19T12:26:16Z
last-modified:  2021-07-19T12:26:16Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.112 (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