Is your internet sluggish? If you suspect a neighbor is stealing your Wi-Fi, here's how to identify devices using your connection and boot them off.

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Windows users can tải về a free, portable program calledWireless Network Watcher(scroll down to lớn the Zip download link below "Feedback" to lớn get it), which will provide a danh mục of every device currently connected khổng lồ your network, so you can identify the ones that belong khổng lồ you.

To use Wireless Network Watcher, just launch the program, and it will immediately begin scanning your network. This will take a minute or two—you"ll know it"s working if the bottom-left corner reads "Scanning..." Once it"s done, that message will disappear, và you"ll be presented with a full danh mục of connected devices.


The resulting các mục may look a little cryptic, especially if you aren"t super tech-savvy, but don"t worry. You can ignore theIP addressand MAC address listings for now. If you"re using Wireless Network Watcher, just focus on the Device Name & Network Adapter Company columns.

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For example, I see an tòa tháp named "Dulce" in Wireless Network Watcher, which is the name of my wife"s MacBook. I see another with no name, but with "Philips Lighting BV" as the network adapter manufacturer, it"s probably the hub for myPhilips Hue lights. You can double-click on a device to add "User Text" that helps you identify each device and narrow down all the items in this list.

Mac users don"t have as many great options—LanScanis a decent pick, though it costs $6 for the full functionality. Most other apps are either expensive, or have caveats that make them less than ideal. If you"re on a Mac, your router"s settings page may have the info you need.Or, if you have an iPhone, you can giveFinga try.

Consult Your Router Settings


If you"re lucky, you"ll be able khổng lồ recognize all the items on that list, but there may be a few that don"t have enough information. After going through my list, for example, I was left with a couple devices that listed no name and no manufacturer. However, I was able to get a little more information from my router"s web interface.

You can mở cửa your router"s management page by typing its IP address in your browser"s address bar. Once there, look for an option that sounds like "Attached Devices" or "Client List." This will present you with a similar các mục as Wireless Network Watcher, but the information may be slightly different. After cross-referencing the unknown devices between the two, I found one of them was listed as "AzureWave Technology, Inc" in my router"s interface, but not Wireless Network Watcher. A little Googling revealed that this was myRachio sprinkler system, so I was able to mark that down & move on.