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Plain explanations of the things this site reports.

What is an IP address?
The number every device on the internet needs, and what it is actually for.
Public and private IP addresses
Why your computer shows one address and this site shows another.
IPv4 and IPv6
Two address families, why both exist, and what running both changes.
How accurate is IP geolocation?
Why your address shows the wrong city, and what the databases actually know.
How to hide your IP address
The three ways to change the address sites see, and what each one is worth.
Why does my IP address change?
Why home connections get a new address, and whether a static one is worth it.