Scan a network using nmap

Quickly scan a network or subnet to see which hosts are up using nmap. You may need to install it first.

Installation is as easy as sudo apt-get install nmap

Once installation has completed, scan a range of IP addresses to see which ones are live using the following command as an example…

nmap -sP 192.168.1.1-254

The output will be something like this…

Here you can see that in my network, at present hosts 192.168.1.1 thru 5 are up, along with 14 and 15.

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