title: How can i calculate ip address range from subnet mask
body: <p>When I use this command which IP addresed are scanned </p>
  
  <pre><code># nmap -sP 192.168.0.120/25           
  </code></pre>
  
  <p>How can I get the IP range when I have the addres and subnet. Because I am trying to understand this, but no result till now..Please help me..Thank a lot</p>