Private IP address: This isn’t shared with external networks instead, a private IP address is what your devices use to connect to one another on private networks.This is how your device communicates with networks outside of your own. It typically changes each time you establish a new network connection. Public IP address: Also referred to as an external IP address, this is the address assigned to your device.This allows that website to send the information you’re requesting to the right location. The IP address contains information about the country, state (or province), city and ZIP code of the device. When you visit a website, your device gives the website your IP address. When a device, such as a computer, phone, or router, connects to the internet it’s assigned an IP address, or identification, which allows it to communicate with other networks. An IP address, or Internet Protocol address, is a unique series of numbers which contain information about the corresponding device’s location.