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What Is a Local IP and What Is It Used For?

A local IP, also called a private IP, is the internal address that identifies your phone, computer, TV, printer, NAS, or router inside your home or office network. It lets devices communicate with each other without leaving your network.

Quick answer

A local IP is an internal network address. Your router uses it to distinguish each device connected to the same Wi-Fi or Ethernet network. It often looks like 192.168.x.x, 10.x.x.x, or 172.16.x.x to 172.31.x.x. It is not your public IP, which is the address visible on the internet.

Contents

What a local IP means

A local IP is the address your router assigns to each device inside a private network. That network may be your home Wi-Fi, an office LAN, a hotel network, or any other internal network.

Its job is not to identify your connection on the internet, but to organize communication inside the local network. Thanks to that address, the router knows which data belongs to each phone, laptop, printer, or connected device.

Another name

It is also called a private IP .

Where it works

It only matters inside your local network.

Key idea: your local IP identifies your device inside your home or office. Your public IP identifies your connection on the internet. For a direct comparison, see Local IP vs public IP.

What a local IP is used for

A local IP lets devices on the same network communicate with each other. Without it, your router would not know where to send each piece of data.

  1. Your router gives each connected device a local IP.
  2. Each device uses that address to send and receive traffic inside the network.
  3. That is how printers, NAS devices, routers, cameras, and local services remain reachable.

Common uses

  • Opening your router settings.
  • Connecting to a Wi-Fi printer.
  • Accessing a NAS or local server.
  • Troubleshooting network problems.
  • Keeping a stable address with a fixed local IP.

If you are trying to find your local IP right now, go straight to the guide for Windows or Android.

How to recognize a local IP

The most common local IPs belong to private address ranges. If you see one of these formats, you are usually looking at a local IP:

Range 1

192.168.x.x

Range 2

10.x.x.x

Range 3

172.16.x.x to 172.31.x.x

Very common at home

You will often see 192.168.0.x or 192.168.1.x.

To check it on your own device, use the step-by-step guides for Windows, iPhone and iPad, Android, and macOS.

Difference between local IP and public IP

This is the most common point of confusion. A local IP and a public IP are not the same address and they do not serve the same purpose.

Local IP

Identifies your device inside your private network. The router uses it for communication at home or in the office.

Public IP

Identifies your internet connection from the outside. It is the address websites and external services usually see.

Fast rule: if the action happens inside your home, office, or Wi-Fi network, think local IP. If it involves websites or external services, think public IP.

For the full comparison, read: Local IP vs public IP .

Why your local IP can change

Yes, your local IP can change. In most networks, the router assigns it automatically through DHCP.

When it often changes

  • When the device reconnects to the network.
  • When the router restarts.
  • When you change Wi-Fi networks or access points.
  • When the router renews the DHCP assignment.

If a device needs to keep the same local IP, you can use a DHCP reservation in the router. These guides complete the topic: What is DHCP? and How to set a fixed local IP.

Real examples of local IP use

A local IP appears in many everyday network tasks, even when it stays invisible in the background.

  • Typing 192.168.1.1 to open the router.
  • Setting up a printer on the local network.
  • Opening a NAS from another device at home.
  • Accessing an IP camera or a smart home panel.
  • Checking whether a PC and a TV are on the same local network.

Next step depending on what you need

Find your local IP on Windows

The fastest way to get your PC IPv4 address with ipconfig or Settings.

Find your local IP on Android

Useful if you need the private address of your phone inside your Wi-Fi network.

Compare it with your public IP

The clearest guide when your device shows one IP and a website shows another.

Understand why it changes

DHCP is what usually assigns your local IP and explains most automatic changes.

Stop it from changing

Perfect for printers, NAS devices, cameras, or anything that benefits from a stable local address.

Open your router

The next step if you need DHCP settings, reservations, or the local gateway of your network.

Frequently asked questions

What is a local IP?

It is the internal address that identifies a device inside a private network, such as your home or office network.

Is a local IP the same as a private IP?

Yes. In everyday networking, both expressions usually refer to the same internal device address.

What is the difference between a local IP and a public IP?

A local IP works inside your network. A public IP is the address visible on the internet when websites and external services communicate with your connection.

How can I recognize a local IP?

Common local IPs often begin with 192.168, 10, or belong to the 172.16 to 172.31 range.

Can a local IP change?

Yes. It is normal if the router assigns addresses automatically through DHCP.

Can two devices have the same local IP?

They should not on the same network. That can create an IP address conflict.

Does a local IP reveal my location?

No. A local IP only has meaning inside your private network and is not used to geolocate you on the internet.