title: How to get a list of all valid ip address in a local network using Javascript?
body: <p>I'm writing a jQuery mobile/Cordova application for a mobile device, who can connect (say by WiFi) to a particular local network (LAN), who has a server that can provide some service that the app may use (some JSON data to populate a local storage).</p>
  
  <p>In a given moment there can be several devices connected at the network. Say:</p>
  
  <pre><code>192.168.1.33
  192.168.1.35
  192.168.1.38
  ...
  </code></pre>
  
  <p>But the server not have a constant IP (depending on the wake up to the LAN) its IP can vary in a range.</p>
  
  <p>The question is: how can get a list of the visibles IPs, to try in turn, get the service from the server?</p>