% 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 '83.244.151.64 - 83.244.151.127'

% Abuse contact for '83.244.151.64 - 83.244.151.127' is 'abuse@exponential-e.com'

inetnum:        83.244.151.64 - 83.244.151.127
netname:        THE-BERKELEY-PARTNERSHIP-NETID5485
descr:          Customer Allocation - Internet Service
country:        GB
admin-c:        EEUK1-RIPE
tech-c:         EEUK1-RIPE
status:         ASSIGNED PA
mnt-by:         EXPONENTIAL-E-MNT
created:        2011-05-11T14:03:51Z
last-modified:  2011-05-16T11:03:02Z
source:         RIPE

role:           Exponential-e Ltd
address:        Exponential-e Ltd
address:        100 Leman St
address:        London E1 8EU
address:        England
phone:          +44 (0)20 7096 4100
fax-no:         +44 (0)20 7096 4101
admin-c:        MB3197-RIPE
admin-c:        JB2918-RIPE
admin-c:        LW848-RIPE
tech-c:         MB3197-RIPE
tech-c:         JB2918-RIPE
tech-c:         LW848-RIPE
nic-hdl:        EEUK1-RIPE
mnt-by:         EXPONENTIAL-E-MNT
created:        2002-08-30T13:14:05Z
last-modified:  2016-05-25T10:15:57Z
source:         RIPE # Filtered

% Information related to '83.244.128.0/17AS25180'

route:          83.244.128.0/17
descr:          Exponential-e Ltd
origin:         AS25180
mnt-by:         EXPONENTIAL-E-MNT
created:        2004-04-26T12:23:44Z
last-modified:  2004-04-26T12:23:44Z
source:         RIPE

% This query was served by the RIPE Database Query Service version 1.117 (DEXTER)