c#: How to check a input IP fall in a specific IP range
<p>If we let users input a couple of ip ranges, e.g., 172.16.11.5 - 100, how could I write a fucntion to check if a IP (172.16.11.50) falls in the ranges?</p>

<p>Is there any existing library in .NET to leverage?</p>

<p>Thanks.</p>
