URL Routing in ASP.NET MVC 2

Question

Hi,

I have a requirement related to sub domains. Here are the details.

I am using .NET 4.0, IIS7, ASP.NET 4.0. I have an web application hosted as "mycompany.com". I have some clients, say client1, register at my site. I want to give him a

URL like http://client1.mycompany.com. Similarly for client2 URL will be http://client2.mycompany.com

i want all these in asp.net mvc 2 web application after website will host.

if u have code sample please send me sample site.

Thanks