What an IP address is and why you need yours

Your iPhone has two IP addresses: one on your home Wi-Fi network (called a local IP address) and one assigned by your internet provider when you use cellular data (called a public IP address). The local one is what matters for home network security — it's the address other devices on your Wi-Fi use to find and communicate with your phone.

You need to know your iPhone's local IP address if you're troubleshooting network problems, setting up parental controls, blocking a device from your router, or checking whether an unfamiliar device is connected to your network. Your router keeps a list of every device's IP address, and matching that list to the actual devices in your home is how you spot intruders.

Finding it takes under a minute and requires no special apps or settings you don't already have access to.

Key Takeaways

  • Your iPhone's local IP address appears in the Wi-Fi settings under the network name you're connected to — look for "IP Address" in the IPv4 Address field.
  • The address always starts with 192.168 or 10.0 on most home networks, and changes each time you reconnect to Wi-Fi unless your router is set to assign a static IP.
  • You can also find it by asking Siri to show your IP address, though this method sometimes shows your public IP instead of your local one.
  • Write down your iPhone's IP address and compare it to the device list in your router's settings to confirm your phone is the one using that address.

Finding your IP address in Wi-Fi settings

Open Settings on your iPhone, then tap Wi-Fi. You'll see the name of the network you're currently connected to with a checkmark next to it. Tap the information icon (a small circle with an "i" inside) to the right of that network name.

A screen will open showing details about your connection. Scroll down until you see IPv4 Address. The number next to it — something like 192.168.1.105 or 10.0.0.50 — is your local IP address. This is the address other devices on your home network use to reach your iPhone.

If you don't see IPv4 Address, scroll further down. On some iPhones, it appears below DNS and other technical details. Write this number down or take a screenshot if you need to reference it later, because it may change the next time you reconnect to Wi-Fi.

Using Siri to check your IP address

Hold down the home button (or say "Hey Siri" if you have voice set up on) and ask "What is my IP address?" Siri will display a number on your screen.

This method is faster than opening settings, but it has a catch: Siri often shows your public IP address — the one your internet provider assigns — rather than your local IP address. A public IP address is much longer and looks completely different from a local one. If you need your local address for home network troubleshooting, use the Wi-Fi settings method instead.

Understanding what the numbers mean

Local IP addresses on home networks almost always start with 192.168 or 10.0. The rest of the number is assigned by your router. Two iPhones on the same network will have different addresses — for example, one might be 192.168.1.105 and another 192.168.1.106.

Your public IP address (the one Siri sometimes shows) looks completely different — it might be something like 203.45.67.89. This is the address websites see when you use cellular data or when your router talks to the internet. You don't need this for home network security.

Matching your iPhone to your router's device list

Once you have your iPhone's IP address, you can verify it's actually your phone by checking your router's connected devices list. Log into your router by opening a web browser and typing your router's IP address (usually 192.168.1.1 or 192.168.0.1 — check your router's label if you're unsure). Enter your router's username and password.

Look for a section called Connected Devices, Device List, or DHCP Clients. You'll see a list of every device connected to your network, each with an IP address and a device name. Find the IP address that matches your iPhone's address and confirm the device name says something like "iPhone" or your phone's actual name.

This step matters because it confirms the address you found actually belongs to your iPhone and not to another device. If you see an IP address in your router's list that you don't recognize, that's a sign an unknown device is on your network.

Why your IP address changes and when it doesn't

Every time your iPhone disconnects from Wi-Fi and reconnects — or every time your router restarts — your phone may get assigned a different local IP address. This is normal and happens automatically. Your router hands out addresses from a pool, and it doesn't always give the same address twice.

If you need your iPhone to keep the same IP address (for example, if you're setting up port forwarding or a firewall rule), you can ask your router to assign a static IP address to your phone. This is done in your router's settings, usually under DHCP or Reserved Addresses. Consult your router's manual or support page for the exact steps, because the process varies by brand.

Checking your IP address on cellular data

When you're using cellular data instead of Wi-Fi, your iPhone doesn't have a local IP address — it only has the public IP address assigned by your phone carrier. You can see this by asking Siri "What is my IP address?" while Wi-Fi is turned off.

This public address is not useful for home network troubleshooting, and you don't need to know it for security purposes. If you're trying to diagnose a network problem, make sure your iPhone is connected to Wi-Fi first, then use the Wi-Fi settings method to find your local address.

Frequently Asked Questions

Why does my iPhone's IP address keep changing?

Your router assigns addresses from a pool and doesn't reserve the same one each time you reconnect. This is normal. If you need a permanent address, you can set a static IP in your router's settings, though this is rarely necessary for regular use.

Is my local IP address private and safe to share?

Yes. Your local IP address only works on your home network — it's not visible to the internet or to anyone outside your Wi-Fi. Sharing it with a technician helping you troubleshoot is safe. Your public IP address is more sensitive and should not be shared casually.

What if I don't see an IP address in my Wi-Fi settings?

Make sure you're connected to Wi-Fi (you'll see the Wi-Fi symbol in the status bar at the top). If you're connected but still don't see an address, try disconnecting and reconnecting to the network. If the problem persists, restart your iPhone and try again.

Can I find someone else's iPhone IP address on my network?

Yes, by checking your router's connected devices list. Every device on your Wi-Fi will appear there with its IP address and device name. This is how you spot unknown devices that shouldn't be on your network.