{ -brand-name-mozilla } answers all of your questions about IP addresses from what is an IP address, to how it works, and if you should hide it.
{ -brand-name-mozilla } na wšykne waše pšašanja wó IP-adresach wótegranja, na pśikład co jo IP-adresa, kak wóna funkcioněrujo a lěc maśo ju schowaś.