At least one company that is dedicated to Usenet access, Giganews (which also owns Supernews since 2008; they remain separate sites but use the same Usenet database), is still around. They offer more than 20 years of retention of text-only groups and at least five years of binary groups. Some ISPs still offer Usenet access as part of their internet service, but it’s usually outsourced to Giganews. You can also buy access a a standalone product.