Check Who Is Connecting Your Wi-Fi [How-To]


Ever wonder who is connecting your Wi-Fi (wireless network) without your acknowledgment?

If you setup a Wi-Fi for wireless Internet connection at home, the chances are other devices can also connect to the same Internet connection if someone decrypted your WIFI password.

In order to check who is connecting your Wi-Fi, you need Wireless Network Watcher.

Wireless Network Watcher is a small but smart utility which enables you to scan your wireless network and display a list of all computers or devices that are currently connected to your network.

With Wireless Network Watcher, you can easily get the information like IP address, MAC address, the company that manufactured the network card, and optionally the computer name of every device which is connected to your wireless network.

Using Wireless Network Watcher

Wireless Network Watcher can only scan a wireless network that your computer or device is currently connected to. It’s impossible to scan other wireless networks.

If Wireless Network Watcher couldn’t detect the correct wireless network adapter, you may go to ‘Advanced Options‘ window (F9), and manually choose the correct network adapter.


Wireless Network Watcher is also a portable application since it doesn’t require any installation process or additional dll files.

To start using it

  1. Download Wireless Network Watcher (in zip format).
  2. Unzip the forlder.
  3. Double-click on the executable file – WNetWatcher.exe.
  4. After running WNetWatcher, it automatically locates your wireless adapter, and scans your network. After a few seconds, you should start see the list of computers that are currently connected to your network.

You can also download WNetWatcher with full install/uninstall support. A shortcut for running WNetWatcher will be automatically added into your start menu.

Columns Description

  • IP Address: IP Address of the device or computer.
  • Device Name: The name of the device or computer. This field may remain empty if the computer or the device doesn’t provide its name.
  • MAC Address: The MAC address of the network adapter.
  • Network Adapter Company: The company that manufactured the network adapter, according to the MAC Address. This column can help you to detect the type of the device or computer. For example, if the company name is Apple, the device is probably a Mac computer, iPhone, or iPad. If the company name is Nokia, the device is probably a cellular phone of Nokia.
  • Device Information: This column displays ‘Your Computer’ if the device is the computer that you currently use. This column displays ‘Your Router’ if the device is the wireless router.

Wireless Network Watcher is also available in other languages. You may download the appropriate language zip file at the bottom of the page.

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