According to IANA, (http://www.iana.org/assignments/ipv4-address-space) MIT & MERIT are the two .edu /8 holders on the list. Stanford turned their /8 in a while ago.
Many? On Fri, 8 Jul 2005, Daniel Golding wrote:
Rubbish. Many of the organizations that hold legacy /8s are Universities. If a .edu can pick up even a few million dollars from selling off a class A, they will. After all, they could simply sell chunks.