Internet Basics: IP Addresses Explained
New to how the internet addresses devices? Start here. These guides explain IP addresses in plain English, and the tools show you your own IP, location and network details.
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Internet Basics guides
IPv4 vs IPv6IPv4 and IPv6 are the two versions of internet addressing. Here's how they differ, why IPv6 exists, and whether you need to care about it.Private IP vs Public IPYour devices have private IPs at home and share one public IP online. Here's the difference, how to find each, and why it matters.Static IP vs Dynamic IPShould you pay for a static IP or stick with the dynamic one your ISP gives you? Here's how they differ and who actually needs a fixed address.Why Does My IP Address Keep Changing?Your public IP changing now and then is normal. Here's why it happens, the difference between dynamic and static IPs, and how to get a fixed one if you need it.How to Change Your IP AddressSeveral ways to change your public or local IP address, from a simple router restart to using a VPN, with clear steps for each.Can Someone Find Your Address From Your IP Address?Worried someone can track you down from your IP? Here's what an IP address actually reveals, what it doesn't, and how to keep your real location private.How Accurate Is IP Geolocation?IP geolocation can place you in the right city, or miss by a hundred miles. Here's how it works, why it's often wrong, and what affects the accuracy.
Frequently asked questions
What is my IP address?
It's the unique number that identifies your network online. Your public IP is shown at the top of the home page.
What's the difference between IPv4 and IPv6?
IPv4 is the original, shorter format that ran low on addresses. IPv6 is the newer format with a practically unlimited supply. Many networks use both.