When you're online, you're using something called Internet Protocol Version 6, or IP for short. It's not optional, it's just part of how the internet works. IP manages the details needed for your devices, like your computer and phone, to connect with the rest of the internet. A key difference between older and newer versions, IPv4 and IPv6, is the length of the address. Why does it matter? With so many devices online these days, each one needs its own unique IP address. Your home Wi-Fi and route

ipv4 vs ipv6