% 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 '212.2.172.160 - 212.2.172.191'

% Abuse contact for '212.2.172.160 - 212.2.172.191' is 'abuse@btireland.net'

inetnum:        212.2.172.160 - 212.2.172.191
netname:        Barry-Noonan-hostelworld-com
descr:          /27 subnet allocated to hostelworld.com
country:        IE
admin-c:        BN2034-RIPE
tech-c:         BN2034-RIPE
status:         ASSIGNED PA
mnt-by:         BTIRE-NOC
created:        2014-06-09T14:06:08Z
last-modified:  2014-06-09T14:06:08Z
source:         RIPE

person:         Barry Noonan
address:        Web Reservations, Unit 4029, City West Business Campus, Dublin
phone:          +353-8-73684118
fax-no:         +353-8-73684118
nic-hdl:        BN2034-RIPE
mnt-by:         BTIRE-NOC
created:        2013-03-13T16:32:39Z
last-modified:  2013-12-17T11:41:56Z
source:         RIPE

% Information related to '212.2.160.0/19AS2110'

route:          212.2.160.0/19
descr:          BTIRELAND-CUST-AGG-BLOCK
descr:          Principal Customer address block of BT Ireland
origin:         AS2110
remarks:        Aggregated route covering multiple BT Ireland networks
remarks:        Tech Support: noc@esatclear.ie
remarks:        Security: noc@esatclear.ie
remarks:        Spam: abuse@oceanfree.net
mnt-by:         BTIREROUTES-NOC
created:        2018-11-22T09:41:35Z
last-modified:  2018-12-05T13:56:38Z
source:         RIPE # Filtered

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