Public and Private IP's

IP Addresses

What is a public IP address?

A public IP address((or external) can be accessed directly over the internet and is assigned to your network router by your ISP(internet service provider). Personal devices are also have private IP’s that remains hidden when you connect to the internet through your router’s public IP.

What is a private IP address?

A private IP address(local vs. internal IP) which your network router assigns to your device. Each device within the same network is assigned a unique private IP address (sometimes called a private network address). Private IP addresses allows that devices connected to the same network communicate with one another without connecting to the entire internet. 

Summarizing the differences between private and public IP addresses