% 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 '150.251.3.0 - 150.251.3.255'

% Abuse contact for '150.251.3.0 - 150.251.3.255' is 'thierry.cattaneo@solvay.com'

inetnum:        150.251.3.0 - 150.251.3.255
netname:        Solvay-NAM
country:        US
admin-c:        TC5137-RIPE
admin-c:        VB5619-RIPE
tech-c:         TC5137-RIPE
tech-c:         VB5619-RIPE
status:         LEGACY
mnt-by:         BDC_MNT
mnt-by:         SOLVAY-MNT
mnt-by:         be-solvay-1-mnt
created:        2016-06-20T13:31:15Z
last-modified:  2016-06-20T13:33:12Z
source:         RIPE

person:         Thierry Cattaneo
address:        Rue de Ransbeek 310
address:        1120
address:        Brussels
address:        BELGIUM
phone:          +3222641047
nic-hdl:        TC5137-RIPE
mnt-by:         be-solvay-1-mnt
created:        2016-02-18T16:11:02Z
last-modified:  2016-06-22T06:38:45Z
source:         RIPE

person:         Vincent Best
address:        Rue de Ransbeek 310
address:        1120
address:        Brussels
address:        BELGIUM
phone:          +3222642395
nic-hdl:        VB5619-RIPE
mnt-by:         be-solvay-1-mnt
created:        2016-02-18T16:11:02Z
last-modified:  2016-02-18T16:11:02Z
source:         RIPE

% Information related to '150.251.3.0/24AS48647'

route:          150.251.3.0/24
origin:         AS48647
mnt-by:         BDC_MNT
mnt-by:         be-solvay-1-mnt
created:        2016-11-18T12:29:06Z
last-modified:  2016-11-18T12:29:06Z
source:         RIPE

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