Wifi routers often have signal lights to indicate when a device is using wireless networks.
Therefore, one way to check if your Wifi is being used by someone else is to turn off your wireless devices and see if the signal light on the router continues to blink. .
However, this can also cause problems if you have multiple devices connected to WiFi, and checking this way will not give too much information for you. Therefore, you may need the solutions below.
To solve this problem, use a free software for Windows called ' Who Is On My WiFi ' (abbreviated as WIOMW ) and follow the steps as follows:
Step 1 : Install Who Is On My WiFi software.
Step 2 : Open the WIOMW app and follow the instructions to let your computer start scanning for wireless networks around you. In addition, you can set the range of space you want to scan arbitrarily.
List of devices currently connected to your WiFi
After scanning you will see a list of IP addresses appear in the work window. Each device will be assigned to 2 important parameters router / switch / modem by MAC Address (MAC address) and IP Address (IP address).
Step 3 : Find out which devices are connected to your network
If you have multiple connected devices (as shown above), you should label them for easy identification. To do that, click on the device you want to label in the Description column, type a name and click Save in the right corner to finish.
If you are familiar with the equipment, you should look for local IP and / or MAC address , you can refer to them in the labeling. For example, on an Android device, tap an existing Wi-Fi connection to display local IP
WiFi connection details are displayed on an Android device
Step 4 (optional): If you discover someone sneaking on your home WiFi, it's best to change your password . To do so, log into the router's administration page and follow the instructions. If you use a modem / router from your ISP, the process is a bit complicated. In case you can not log in, please contact your ISP to help you recover your password.
Note: some devices are wired to your Internet, so it won't automatically support WiFi, so it will show up in the list with the word NO in the Connected column .
Conclude
Thus, to find out if anyone is using the Wifi temple of your home, your accommodation, . or not is not too difficult work after reading this article. The detection effect will be higher when the scale of your Wifi is narrow - That is, the Wifi network has few devices.
By that time filtering out the IP address, Mac Address of the strange machine will be much easier. Good luck!