{ -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.
Mae { -brand-name-mozilla } yn ateb eich holl gwestiynau am gyfeiriadau IP o'r hyn sy'n gyfeiriad IP, i sut mae'n gweithio, ac a ddylech chi ei guddio.