title: Send a ping to each IP on a subnet
body: <p>Is there a command line based way to send pings to each computer in a subnet?
  Like</p>
  
  <pre><code>for(int i = 1; i &lt; 254; i++)
      ping(192.168.1.i);
  </code></pre>
  
  <p>to enforce arp resolution?</p>