How to do wifi router ip scan for free?

Can you teach me how to do wifi router ip scan for free and also can you list other related information about this?

Can you teach me how to do wifi router ip scan for free and also can you list other related information about this?
Hi there are a number of ways you can use to do WiFi IP scan for free. One you can download a free ip scanner advanced that's easy to use. It allows you to locate all computers&their IP addresses as long as they are within the WiFi network range in a matter of seconds. Here is a screenshot of how a free IP scan looks like:
Another way is to use the Command prompt(Cmd) to scan for detected Ip addresses through your router.From your computer.Follow this simple steps:
Go to Start at the bottom of the task bar.
Click and RUN then type the word "Cmd"
After it opens type "arp-a" without the quotes.
Press Enter tab.
It will show you all the Ip addresses, physical address and type of connectivity(dynamic or static) found within your WiFi range.