How do i ban an IP on a windows server?

annoying spider

[Weblamer]

Hello folks,

My website is hosted on an isp's server. Verio i think it might be. Anyways, I have one IP that has been flooding my site and ruining my data. I need information on what documents I modify in my server directory so that I can ban this guy's ISP.

thanks.

[korkus2000]

This should help
[webmasterworld.com...]