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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.