title: IPAddress.TryParse returns false
body: <p>I have a string with IP Address which is </p>
  
  <pre><code>clientId = "172.19.200.29:10308"
  </code></pre>
  
  <p>I need to generate IPAddress  object from it.Tried the following</p>
  
  <pre><code>    IPAddress clientIpAddr;
      if (IPAddress.TryParse(clientId, out clientIpAddr)) //&lt;-returns false
  //clientIpAddr is null
  </code></pre>
  
  <p>What could be wrong</p>