If your Wi-Fi network is running slow then your WiFi password might have been hacked and other devices might have connected to your WiFi network. So, to be sure you have to find out how many devices are connected to your Wi-Fi network. Below are the two ways.

By logging into the Router’s page:- Now different routers have different address to log into. You can search in Google for your router’s login address or check the manual. I have Linksys WRT120N. So, for all the Linksys router the address for logging in is http://192.168.1.1

Enter the above address in the browser’s address bar.

WiFi network

Now you will be asked to enter the user name and the password for the router. So enter the required credentials.

Then click on “Status” tab.

Click on “Local Network”.

WiFi network

Click on “DHCP client Table” button.

WiFi network

Now you can see the list of the devices connected to your WiFi network. You can check the MAC address to make sure that those are your devices.

The second method to find the devices connected to your Wireless internet is by using a third-party software called “Wireless Network Watcher”.

Download the software from http://download.cnet.com/.

Search for the software, download and install it.

Run the “Wireless Network Watcher”.

Now you can see the MAC address of all the devices connected to your Wireless network.

WiFi network

Bonus

How can you find the MAC address of a Windows PC?

Go to command prompt.

Type “C:\ipconfig/all

Now you will see the command prompt window as below.

mac address

Look for the physical address for WiFi adapter or LAN whichever you have used for connecting. That is the MAC address of the computer you are using to connect.

How to find the MAC address in MAC book pro?

Go to “Apple menu”

Click on “About this Mac”.

Click on “More info”.

Click “System Report”.

Click on “Network” and then on “WiFi” on the left side of the window.

Look for “MAC address” on the right.

How to find the MAC address in iPhone?

Press “Settings” icon on the main screen.

Press “General” and then “About”.

Scroll down and you can see “WiFi address”.

That is the MAC address for your iPhone.

How to find the MAC address of Android Phone?

Press “Settings” icon.

Scroll down and press “About phone” and then “Status”.

Scroll down again and you can see the MAC address of the android phone.

Conclusion

If you compare,the easiest method is to download the WiFi network watcher and find the devices connected to the Wireless internet. If you find any unrecognized device then probably your WiFi password is hacked. So, in that case consider changing the password for your Wireless internet.