Hi Patrick; On Thu, 2008-08-07 at 21:54 -0430, Patrick O'Callaghan wrote: > On Thu, 2008-08-07 at 21:20 -0400, William Case wrote: [snip] > Some policy is documented at http://www.arin.net/policy/nrpm.html for > example, but in general you can't look at a random IP number and tell > what it stands for without further investigation. Use "whois" to find > out about specific assigned numbers. > Yes, I gather the assignments, given history and everything else, are too random to make them meaningful in themselves. But thanks for the policy URL above. I had looked at the ARIN site but hadn't gone through the policy page. There is no answer to my immediate question, but several incidental questions that I had put aside are answered there. > Registries tend to assign blocks of addresses according to some estimate > of future needs, but of course this has varied a lot historically, which > is why early users such as MIT have /24 spaces (what used to be called > Class A). Think about it: MIT has 1/256th of all possible IPv4 addresses > in the world! > > IPv6 of course is a whole new ball game, since the space is so large it > allows several alternative policies to exist side by side. I have good data on IPv6. As soon as I put the IPv4 stuff aside I will invest a few hours in digesting that. -- Regards Bill; Fedora 9, Gnome 2.22.3 Evo.2.22.3.1, Emacs 22.2.1 -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list
