title: How do I get the caller's IP address in a WebMethod?
body: <p>How do I get the caller's IP address in a WebMethod?</p>
  
  <pre><code>[WebMethod]
  public void Foo()
  {
      // HttpRequest... ? - Not giving me any options through intellisense...
  }
  </code></pre>
  
  <p>using C# and ASP.NET</p>