% 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 '77.87.144.0 - 77.87.151.255'

% Abuse contact for '77.87.144.0 - 77.87.151.255' is 'abuse@synapse.net.ua'

inetnum:        77.87.144.0 - 77.87.151.255
netname:        SYNAPSEUA-NET
country:        UA
org:            ORG-AS71-RIPE
admin-c:        CHEG-RIPE
tech-c:         CHEG-RIPE
status:         ASSIGNED PI
mnt-by:         SYNAPSE-MNT
mnt-by:         RIPE-NCC-END-MNT
mnt-routes:     SYNAPSE-MNT
mnt-domains:    SYNAPSE-MNT
created:        2007-06-27T13:32:26Z
last-modified:  2017-02-10T11:01:17Z
source:         RIPE
sponsoring-org: ORG-ML410-RIPE

organisation:   ORG-AS71-RIPE
org-name:       Private "Stock company "Sater"
country:        UA
org-type:       OTHER
address:        Degtyarivskaya str. 50
address:        Kiev, Ukraine, 04112
phone:          +38(044)2066231
abuse-c:        AR19338-RIPE
admin-c:        CHEG-RIPE
tech-c:         CHEG-RIPE
mnt-ref:        SYNAPSE-MNT
mnt-by:         SYNAPSE-MNT
created:        2006-10-11T09:05:10Z
last-modified:  2022-12-01T16:16:12Z
source:         RIPE # Filtered

person:         Eugen G.Chkolenko
address:        Synapse Network
address:        Degtyarivskaya str. 50
address:        Kiev, Ukraine, 04112
mnt-by:         SYNAPSE-MNT
phone:          +38(044)2406633
nic-hdl:        CHEG-RIPE
created:        2006-07-14T12:06:07Z
last-modified:  2010-05-22T21:17:30Z
source:         RIPE

% Information related to '77.87.144.0/22AS29107'

route:          77.87.144.0/22
descr:          SYNAPSE route object 144.0/22
origin:         AS29107
mnt-by:         SYNAPSE-MNT
created:        2007-07-06T16:25:21Z
last-modified:  2007-07-06T16:25:21Z
source:         RIPE

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