How can you tell who is connected to your Wi-Fi?

Your data runs out faster than expected, or your connection becomes slow when everyone is at home. Before blaming a neighbour, check the list of devices connected to your router. You may find an unfamiliar phone, but you could also find your own television using a name you do not recognise.

Most routers show connected devices in an official app or on a local management page. Sign in as the router administrator and look for Connected devices, Clients or a similar menu. The list usually shows device names and network addresses, but it may not tell you exactly who owns each device.

You need permission to manage the network and access to the router’s admin login. If the router belongs to your landlord, office or internet provider, ask the person responsible before blocking devices or changing settings.

What to have ready

Connect your phone or laptop to the Wi-Fi you want to check. Find the router’s model name and look at its label or manual for the management address. If your provider supplied the router, its official app or support instructions may be the easiest place to start.

The Wi-Fi password and the administrator password are different things. The first lets your phone join the network; the second lets you change router settings. If someone installed the router for you, they may have changed the admin credentials from the defaults printed on the label.

You do not have to reset the router to see the device list. A factory reset may erase internet settings and disconnect everyone, so keep that as a last resort and ask your provider how to reconnect before doing it.

Open the router’s device list

1. Connect to your home Wi-Fi, or connect a computer to the router with an Ethernet cable.
2. Open the router maker’s official app, if your model supports it. Otherwise, enter the management address from the router label or manual into your browser’s address bar.
3. Sign in with the current admin details.
4. Look for Connected devices, Device list, Clients, Network map or DHCP clients. The exact wording depends on the router.
5. Review the list, including any separate tabs for wired devices, Wi-Fi bands and the guest network.

Some routers use addresses such as `192.168.1.1`, but that is not universal. Check the address on your own device rather than typing a random one from a social-media post. If the page will not open, make sure your phone is connected to the right Wi-Fi and check your manufacturer’s support guide.

For provider-controlled equipment, the settings may be limited. Your provider can tell you which app or page applies to your model. Do not hand your admin password to an unknown person offering to check the network for you.

Understand what the names mean

A device list may show a device name, an IP address, a MAC address, a connection type and the Wi-Fi band. These are useful clues, not a perfect identity card.

A phone might appear with its model name, a shortened name or simply Unknown. A smart TV, decoder, printer, speaker or camera may use the manufacturer’s name rather than the name you call it at home. A visitor’s phone can also remain in a recent-device list after they have left, depending on how the router displays history.

An IP address helps the router identify a device on the local network, but it can change. A MAC address is another identifier, but phones may use a private or randomised address for Wi-Fi. That means a matching exercise can be confusing, especially after a device reconnects. Don’t assume that an unfamiliar address proves someone has hacked the router.

Some router apps show live connected devices while others include devices seen in the past. For example, Google Home can show devices that used the network in the previous 30 days, including devices that are no longer connected. Check the heading and any online or offline indicator before drawing a conclusion.

Match the list to your own devices

Start by writing down the devices you expect: phones, laptops, televisions, game consoles, printers and smart-home equipment. Ask people sharing the connection whether they have another phone or tablet connected. Include a provider’s streaming box if it uses your Wi-Fi.

Then compare the router list with the Wi-Fi details on each device. You can usually find a device’s current network address in its Wi-Fi settings. Because private addressing and router menus differ, use the address shown for that connection, not an old label or screenshot.

If you still cannot identify an entry, try a simple test:

1. Note the device name and whether the router says it is online.
2. Disconnect one of your own devices from Wi-Fi.
3. Refresh the router’s list and see whether the entry changes.
4. Reconnect the device and check again.

Do one device at a time. If an entry does not disappear immediately, wait and refresh; a router can take time to update. This test can help, but it is not conclusive if the router keeps a history or the device changes its identifier.

What to do with an unfamiliar device

First check with the other people in your household. A relative may have connected a new phone, or a television may be showing an unfamiliar manufacturer name. If the device could belong to someone who needs the network, ask before blocking it.

If you believe an unauthorised person has access, changing the Wi-Fi password is usually clearer than trying to identify every address. Use a long, unique password and reconnect only your trusted devices. Our guide to changing your Wi-Fi password explains the steps and what to expect when devices disconnect.

Also check the router’s admin password. If it is still a default or has been shared widely, change it using the manufacturer’s instructions. The admin password is separate from the Wi-Fi password. Review the security mode and use a guest network for visitors if your router supports it. See how to secure your home Wi-Fi for a wider checklist.

Some routers offer a block or pause button. That can be useful, but it may interrupt the wrong device, and a device may appear under another address later. Blocking alone is not a substitute for changing a shared password when access is genuinely unauthorised.

Why is the internet still slow after a device is removed?

A connected device is not necessarily using much data. Slow internet can also come from weak signal, network congestion, a large update, a problem with your provider or a plan that does not match your household’s needs.

Test close to the router and compare the result with the place where the connection feels slow. Pause large downloads while testing. If the connection works well near the router but poorly in another room, placement or coverage may be the issue. For practical checks, see how to boost a weak Wi-Fi signal.

If you use a limited data bundle, ask your provider how to check actual usage. The number of connected devices does not tell you how much data each one has consumed. Router traffic statistics, where available, may cover only a particular period and may not match your provider’s billing figure.

The goal is to understand the list before taking action. An unknown label deserves a check, not an accusation. Once you identify your devices and secure the password, you will have a better idea of who should be using the network.