WHOIS - 18.104.22.168
ARIN says that this IP belongs to RIPE; I'm looking it up there.
Using 7 day old cached answer (or, you can get fresh results).
Hiding E-mail address (you can get results with the E-mail address).
% This is the RIPE Database query service.
% The objects are in RPSL format.
% The RIPE Database is subject to Terms and Conditions.
% See http://www.ripe.net/db/support/db-terms-conditions.pdf
%ERROR:203: you are not allowed to act as a proxy
% This query was served by the RIPE Database Query Service version 1.82 (DB-2)
[The following lines added by www.dnsstuff.com per requirement by RIPE]
This service is subject to the terms and conditions stated in the RIPE NCC Database Copyright Notice.
Contact dnsstuff.com's 'info2@' address to report problems regarding the functionality of the service.
[If E-mail address(es) were hidden on this page, you can click here to get the results with the E-mail address].