title: IP Address Converter
body: <p>There is IP address: 66.102.13.19, and from this address as that received this address </p>
  
  <pre><code>http://1113984275
  </code></pre>
  
  <p>But how? And how I can make this with the help of bash.
  For example, <a href="http://www.csgnetwork.com/ipaddconv.html">this service</a> can do it, but I do not understand the algorithm.</p>