Google Groups
Google Groups is a Web-based news reader.
Like any decent news client, this service maintains your subscriptions
to your favorite newsgroups and tracks what articles you've already read.
Tile.Net/News This site is a reference to all the standard Usenet
Newsgroups available on the Internet.
Usenet Addresses Database (MIT)
MIT keeps a record on everyone who has posted a message on Usenet since 1991.
The database currently exceeds 20,000,000.