knowledge base
Understand your connection
Everything on this site in plain language: what an IP address is, what it reveals about you, and how the internet actually moves your data around.
What is an IP address?
How internet addressing works, explained from zero: packets, routing, and why every device needs an address.
Local vs public IP addresses
Your device has two addresses. What each one does, how NAT connects them, and how to find both.
IPv4 vs IPv6
Why the internet ran out of addresses, how IPv6 fixes it, and what the transition means for you.
What can someone do with your IP address?
The realistic risks of an exposed IP — separated from the myths — and how to protect yourself.
How to hide your IP address
VPNs, proxies and Tor compared: how each works, what it protects against, and what it does not.
Static vs dynamic IP addresses
How ISPs assign addresses, which type you have, and when a static IP is worth paying for.