Which of the following is metadata?

IP addresses consists of $4$ numbers between $0$ and $255$ and are usually displayed with a period between each number as in $10\mathrm{.}222\mathrm{.}255\mathrm{.}1$

Different computers have different IP addresses

A web server can record which pages were requested when by which IP address $-$ but not when the user leaves the page.

At $3$:$15pm$ on $\frac{12}{16}\frac{?}{2018},$ ip address $123\mathrm{.}435\mathrm{.}677\mathrm{.}458$ requested the 'Shopping Cart' page.