% APNIC found the following authoritative answer from: whois.ripe.net

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% The objects are in RPSL format.
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% Information related to '194.15.147.0 - 194.15.147.255'

% Abuse contact for '194.15.147.0 - 194.15.147.255' is 'plus-aniv@yandex.ru'

inetnum:        194.15.147.0 - 194.15.147.255
netname:        BIKENT-NET
org:            ORG-LB26-RIPE
country:        RU
admin-c:        EA6197-RIPE
tech-c:         EA6197-RIPE
status:         ASSIGNED PI
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         BIKENT-MNT
mnt-by:         PLUSANIV-MNT
mnt-routes:     BIKENT-MNT
mnt-routes:     PLUSANIV-MNT
created:        2003-12-04T16:01:44Z
last-modified:  2017-11-09T19:06:04Z
source:         RIPE
sponsoring-org: ORG-CSL28-RIPE

organisation:   ORG-LB26-RIPE
org-name:       LLC Bi-Kent
country:        UA
org-type:       other
address:        Ordzonikidze, 12
address:        298313, Kerch
address:        Russian Federation
abuse-c:        AR19506-RIPE
mnt-ref:        PLUSANIV-MNT
mnt-by:         BIKENT-MNT
mnt-by:         PLUSANIV-MNT
created:        2013-03-15T13:47:48Z
last-modified:  2022-12-01T16:34:56Z
source:         RIPE # Filtered

person:         Evmenov Alexander
address:        298313, Kerch, Ordzonikidze str., 12
address:        Russian Federation
phone:          +79780351375
nic-hdl:        EA6197-RIPE
mnt-by:         PLUSANIV-MNT
created:        2017-11-09T18:40:30Z
last-modified:  2017-11-09T18:45:32Z
source:         RIPE

% Information related to '194.15.147.0/24AS12408'

route:          194.15.147.0/24
descr:          Plus-Aniv Ltd. Route object
origin:         AS12408
mnt-by:         BIKENT-MNT
mnt-by:         PLUSANIV-MNT
created:        2003-12-09T16:52:27Z
last-modified:  2017-11-09T19:08:13Z
source:         RIPE

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

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