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IPv6 mistakes, was: Re: Looking for an IPv6 naysayer...
On Wed, 09 Feb 2011 16:42:14 -0500, Nathan Eisenberg
<nathan at atlasnetworks.us> wrote:
> 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.
That's pretty much the definition of "in use". If they don't appear in
the global routing table, then they aren't being used. I cannot send
traffic to them; they cannot send traffic to me.
In my recent probe of route servers, I found 22 legacy /8's that were
partly or completely unused. I'm a little surprised ARIN/ICANN thinks
it's a waste of time to even try to reclaim them.