This method allows up to 340 undecillion addresses to be used at once. It uses a 128-bit, alphanumeric scheme to address devices online. IPv6 is a major improvement on IPv4 and more forward looking. But we are rapidly approaching a point where more than 4 billion devices might access the Internet at once, and all of them need an IP. In fact 94% of Internet traffic uses IPv4 to track the location of devices online. When this was created, scientists didn't think we would need more than the approximately 4 billion permutations that that sort of scheme allows, and it's lasted quite some time. It applies to both public and private connections. IPv4 is the first deployed version of the Internet Protocol and uses a 32-bit address scheme that generally looks like this: 192.168.1.1. When the Internet was first conceived, nobody could have guessed how popular it would be, or what an important part of our lives it would become.
Your IP is secure, masked by our IP addresses. With a VPN, you can make your connection more private, hiding your public information behind secure addresses. You might then wonder, “What is my VPN going to do to help?” Without an IP address, your device couldn't be located online, so it couldn't be sent the data it requested, like the website you want to look at or the movie you're trying to stream.
From ICANN, other servers are fed this information to keep everybody up to date on how to access online services. They are a nonprofit organization that keeps track of what every IP address is, where it is located, and what domain names are assigned to them. The IP of every device on the Internet is registered with The Internet Corporation for Assigned Names and Numbers (ICANN). It does this with a series of numbers called an IP address. But, just like in real life, where it would be impossible to find somebody without their address, computers also need to know exactly where to find what you're looking for. The way that the Internet works, every time you try to access a website or service, the first thing your computer does is try to find it. "What is my IP doing for me?" you might be asking yourself.
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