All IP Address Guides

Browse practical guides about IP addresses, DNS, NAT, CGNAT, routing, geolocation, privacy, and home networking.

The learning centre explains the concepts behind public IP tools in plain language, from IPv4 and IPv6 to DNS, NAT, CGNAT, ASNs, geolocation, routers, and browser privacy.

Use these guides to understand a result, troubleshoot a connection, prepare for a support conversation, or make safer choices when sharing network information.

IP address fundamentals

Start with public and private addresses, IPv4 and IPv6, finding your address, static and dynamic assignments, and the difference between router and public IP values.

DNS and routing

Learn how DNS records, ASNs, BGP context, reverse DNS, and localhost fit into everyday internet troubleshooting.

Home network concepts

Guides about NAT and CGNAT explain address sharing, port forwarding, provider gateways, and why inbound connections sometimes fail.

Privacy and location

Review what websites can see, ways to change your visible IP, and the practical accuracy limits of IP geolocation.

Frequently Asked Questions

Which guide should beginners read first?

Start with “What Is an IP Address?” and then read “Is My IP Address Public?” for the most practical foundation.

Do the guides replace professional security advice?

No. They are educational resources for everyday troubleshooting and privacy awareness.

Are the guides connected to the tools?

Yes. The tools help you test and confirm the concepts explained in the guides.