Gatekeepers. It's about the only recent one I can think of, though.
Six is about right. There's been a few with seven (The Slayers box sets come to mind), but that's pushing it. I have the Slayers Try box set, and the menus are static and clunky and extras extremely minimal. Acutally, Internet2 is the right name. It's a high-tech, high-speed backbone set up for academic research use. They work with IPv6 among other things.
http://www.internet2.edu/
Ryb, being the genius he is, seems to believe that undergraduates get fiber hookups to it in their dorm rooms.
Chris Mattern