According to the article:
> But while the Internet Archive has a Usenet archive of its own, the two collections in its possession are much smaller—less of a replacement than an alternative to the data Google owns.
> But while the Internet Archive has a Usenet archive of its own, the two collections in its possession are much smaller—less of a replacement than an alternative to the data Google owns.
https://archive.org/details/usenet
Obviously the UTZOO collection is one of the more significant ones, but there are thousands of others too, including Giganews.