Without court order, we are unable to provide any information whatsoever on people who have accounts on GuildPortal.com, regardless of how offensive their post, message, images, or conduct may be.  We cannot disclose IP addresses, or even whether a given account matches the IP address of another account in the database.  This is in accordance with our privacy policy, and cannot be overriden without a court order.

The FAQ: "Is there any way to ban a user from my site?" may be of use to some admins regarding this issue. That FAQ URL is http://www.guildportal.com/FAQ.aspx?FAQEntry=83