Considering Facebook has ~2.7 billion users and this breach only contains 533million there are many people not in it.
Troy also mentioned not having processed all numbers yet aswell, but you could check the dump yourself. Downloading country spesific dumps does not take a long time.
Its perfect for a hobby web server! I am currently running one for myself. I will say it can be tricky to get the firewall correct with Ubuntu, I am using Centos 7 which seems better documented for their services.
Troy also mentioned not having processed all numbers yet aswell, but you could check the dump yourself. Downloading country spesific dumps does not take a long time.