The net.* hierarchy is based on the concept of "sound sites". The goal is to create a new Usenet as free as possible from spam and other maladies. http://www.usenet2.org/
South Bay (San Jose and nearby areas, about 50 miles south of San Francisco), California, United States. Charters, policies, group list. http://www.sbay.org/sbay-newsgroups.html
Provides the definitive list of all newsgroups in aus.* (Australia) including charters, voting instructions and information on creation of new aus.* newsgroups. http://aus.news-admin.org/
The history of the hierarchy, a list of all newsgroups in the hierarchy, information about each group, and links to pages about some of the individual groups. http://www.k12groups.org
The California Usenet Project is an effort to coordinate the ca.* hierarchy (California, United States). Lists of newsgroups, charters, and plans. http://www.sbay.org/ca/
From Dan Kegel. Lists various hierarchies, including some for which there is just an (old) checkgroups, rather than an official web page. http://alumnus.caltech.edu/~dank/us.config/
List of sites carrying italia.* hierarchy (regional/local groups within Italy; it.* is for other Italian groups). Config files for your newsserver. Complete listing of all newsgroups in the italia.* hierarchy their charters. http://news.cineca.it/italia/index-eng.html