IP-Info is a website where you can find out what your IP is as well as your user agent and information about your browser and OS. The site also has tools for looking up information about a particular IP and reverse DNS lookups. There is also a tool where you can check "is this site down" and numerous informative articles.
Die Seite gibt es auch auf Deutsch: Wie ist meine IP
Reduce the following expression to its smallest possible positive value:
3302 mod 5