Java EE (Java Enterprise Edition) General Discussion

I'm having difficulty consistently getting the host name of a remote client from a jsp page.

hostName = InetAddress.getByName(request.getRemoteHost());

The page is located on a company intranet and works on certain clients, but on others I'm just getting an IP address returned. Any idea's on what to look at as far as the network set up goes or what may be causing the inconsistency.

Thanks.