The California Education and Research Federation Network (CERFnet) is a mid-level network service provider based in California. CERFnet was one of the NSFNET regional networks and a co-founder of the Commercial Internet eXchange (CIX). The CERFnet network was founded in January 1988 by Susan Estrada of the San Diego Supercomputer Center (SDSC), received partial funding of $2.8 million by the National Science Foundation a year later, and was fully operational by November 1989, linking together 38 California research centers. The network was operated by the SDSC and General Atomics.
- CERFnet Network Information Center (nic.cerf.net) (June 29, 1992), CERFnet History, archived from the original on 2004-08-20, retrieved 2021-08-12
- Malamud, Carl (1992), Exploring the Internet: A Technical Travelogue, p. 312, ISBN 978-0132968980
- Laquey, Tracy, ed. (2014), The User's Directory of Computer Networks, Elsevier, p. 263, ISBN 978-1483296418