Get complete host name

Question

I want to know the full name of a remote page making an http call to my server. I am working with VB.NET and the page that is called is .ashx. At the moment I use this code snippet but I can only intercept the domain name but I don't know the exact page making the call. I've tried everything. Can you help me?

Dim _res As String = "" _hostaddress = context.Request.UserHostAddress Dim _header As NameValueCollection = context.Request.Headers _res = _header.GetValues("User-Agent").First()

Dim _res As String = "" _hostaddress = context.Request.UserHostAddress Dim _header As NameValueCollection = context.Request.Headers _res = _header.GetValues("User-Agent").First()