> Most IPv4 space is unused anyway, but it's not being reclaimed much despite > that. (How many IP addresses does the US federal government need? Few > people would think ~ 10 /8s. Especially since many of them aren't even lit > up.)
What do you mean, lit up? You mean they're not in the routing tables that you get from your carriers? I'd argue that's no indication of whether they're in use or not.
