% 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 '85.187.64.0 - 85.187.127.255'

% Abuse contact for '85.187.64.0 - 85.187.127.255' is 'abuse-ip@vivacom.bg'

inetnum:        85.187.64.0 - 85.187.127.255
netname:        BG-BTC-20041126
country:        BG
org:            ORG-BTCP1-RIPE
admin-c:        BTC3-RIPE
tech-c:         BTC3-RIPE
status:         ALLOCATED PA
mnt-by:         BT95-ADM
mnt-by:         RIPE-NCC-HM-MNT
created:        2022-11-11T14:24:31Z
last-modified:  2022-11-11T14:24:31Z
source:         RIPE

% Information related to '85.187.64.0/18AS47771'

route:          85.187.64.0/18
descr:          entry.bg PA space
remarks:        Main route object
origin:         AS47771
mnt-by:         ENTRYBG-MNT
mnt-by:         BT95-ADM
created:        2014-12-12T10:04:58Z
last-modified:  2021-11-25T16:12:55Z
source:         RIPE

% Information related to '85.187.64.0/18AS8866'

route:          85.187.64.0/18
origin:         AS8866
mnt-by:         BTC-PROV-ADM
mnt-by:         MOBIKOM-NOC
mnt-by:         BT95-ADM
created:        2021-12-05T23:32:25Z
last-modified:  2021-12-05T23:33:50Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.124.1 (SHETLAND)