% 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 '87.255.2.0 - 87.255.2.255'

% Abuse contact for '87.255.2.0 - 87.255.2.255' is 'abuse@bigtelecom.ru'

inetnum:        87.255.2.0 - 87.255.2.255
netname:        BIGTELECOM
descr:          BIG TELECOM CLOSED JSC
country:        RU
admin-c:        AD3786-RIPE
tech-c:         DF1791-RIPE
status:         ASSIGNED PA
mnt-by:         BIGTELECOM-MNT
created:        2006-05-08T07:48:36Z
last-modified:  2006-05-08T07:48:36Z
source:         RIPE

person:         Alexey Diatchouk
address:        Khimki city, Moscow region
remarks:        phone:          +7 095 7410626
phone:          +7 495 7410626
remarks:        fax-no:         +7 095 7410627
fax-no:         +7 495 7410627
nic-hdl:        AD3786-RIPE
mnt-by:         BIGTELECOM-MNT
created:        2005-11-01T10:11:46Z
last-modified:  2005-12-16T19:42:59Z
source:         RIPE # Filtered
remarks:        modified for Russian phone area changes

person:         Dmitry Filin
address:        Khimki city, Moscow region
phone:          +7 495 7877871
fax-no:         +7 495 7877871
nic-hdl:        DF1791-RIPE
mnt-by:         BIGTELECOM-MNT
created:        2005-11-01T11:51:10Z
last-modified:  2011-04-22T08:25:40Z
source:         RIPE # Filtered
remarks:        modified for Russian phone area changes

% Information related to '87.255.2.0/24AS35810'

route:          87.255.2.0/24
descr:          BIG TELECOM CLOSED JSC
origin:         AS35810
mnt-by:         BIGTELECOM-MNT
created:        2006-10-24T06:36:04Z
last-modified:  2006-10-24T06:36:04Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.120 (ABERDEEN)