Your router knows what is currently connected to the network, and many routers also keep a recent-device history. Checking that list is the fastest way to learn what is using your Wi-Fi.
Does this affect you?
Use this if internet feels slow, you see an unfamiliar device, or you simply want an inventory of phones, laptops, TVs, printers, cameras, speakers, and smart gadgets on your network.
Check the router app or admin page
The router list is the most reliable source because traffic passes through it.
- Open your router or ISP app, such as xFi, My Spectrum, eero, ASUS Router, Google Home, or a similar app.
- Look for Connected Devices, Devices, Clients, or a Home dashboard list.
- If you do not use an app, open 192.168.0.1 or 192.168.1.1 in a browser and look for Connected Devices, Attached Devices, or DHCP Client List.
- Review each device name, local IP address, and MAC address.
- Rename known devices in the app if possible so they are easier to recognize later.
Use a scanner app as a backup
A scanner can help when the router list is confusing or vague.
- Install a reputable network scanner such as Fing on a phone.
- Connect the phone to the Wi-Fi network you want to inspect.
- Run a scan.
- Compare the discovered device names, manufacturers, IP addresses, and MAC addresses with the router list.
- Treat the scanner as a second opinion, not a replacement for the router list.
More control
Unknown names are common
Streaming sticks, bulbs, plugs, thermostats, printers, and older phones often show up as a manufacturer name or random-looking code. Count your household devices before assuming an intruder is present.
Change the Wi-Fi password if something is truly unknown
A new Wi-Fi password disconnects every device, including the suspicious one. It is often more reliable than blocking one MAC address, which can sometimes be spoofed.
Use guest Wi-Fi for visitors
A separate guest network keeps guest phones out of the main device list and away from your trusted computers, printers, and smart devices.
A long list can be normal
Modern homes collect connected devices quickly. The goal is recognition and control, not necessarily making the number small.
Sources
- FCC Consumer Guide – Wireless Network Security (2024)
- Netgear Support – View connected devices (2025)
- Google Nest Support – See devices on your network (2025)