IP addresses are like opinions… everyone has one. But not every IP address is created equal. Some IP addresses are dynamic, which means they automatically change, based on router settings. Also: ...
The majority of the time, we have no idea what the IP addresses of our devices are. You don't need to know that your phone has an IP address of 192.168.1.12 on your local network in order to use it.
Most people understand that when you connect to the internet, your internet service provider assigns your modem and network an internet protocol (IP) address. That's your external or public-facing IP.