[lolryan]

Amateur radio also has an unused IPv4 /8 block as well. That $500 mil could go quite a ways towards building a few amsats.

[X-Istence]

Hey, some of us HAMS are still using AMPRNet ... not many, but some.

That being said, here is a list of people in charge of allocations: http://www.ampr.org/oldsite/amprnets.txt

[TheGateKeeper]

I'm currently enjoying its usage as well. Whoever said it was unused doesn't know what they're talking about.

[aidenn0]

Is it held by the ARRL?