Learn About IP & Networks
Plain-English guides that answer the questions people actually ask about IP addresses and online privacy — each one paired with a free IPChecks tool so you can put it into practice.
What Is an IP Address? Public vs Private
The unique number that identifies your device, and the difference between the public IP websites see and the private IP only your network uses.
Tool: IP Check · IP LookupIPv4 vs IPv6
What changed between the two internet protocols, why the world is moving to IPv6, and how to test your own connection.
Tool: IPv6 Test · IPv6 ExpanderCan Websites See My IP?
Yes — and here is exactly what a site can learn from your IP, what it cannot see, and what else your browser reveals.
Tool: Browser Fingerprint · HTTP HeadersHow to Hide Your IP: VPN vs Proxy vs Tor
The three ways to hide your IP, how they compare on privacy, speed and ease, and how to verify your IP is actually hidden.
Tool: VPN CheckWebRTC & DNS Leaks Explained
How your real IP or browsing activity can leak even with a VPN, why it matters, and how to test for both leaks.
Tool: WebRTC Leak Test · DNS Leak TestIP Geolocation Accuracy
How precise IP location really is, whether your IP can reveal your exact address, and why it sometimes shows the wrong city.
Tool: IP Lookup