[75617] in North American Network Operators' Group

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Re: Stupid Ipv6 question...

daemon@ATHENA.MIT.EDU (Stephane Bortzmeyer)
Fri Nov 19 03:17:32 2004

Date: Fri, 19 Nov 2004 09:15:46 +0100
From: Stephane Bortzmeyer <bortzmeyer@gitoyen.net>
To: "Dan Mahoney, System Admin" <danm@prime.gushi.org>
Cc: nanog@nanog.org
In-Reply-To: <20041119025832.A14007@prime.gushi.org>
Errors-To: owner-nanog-outgoing@merit.edu


On Fri, Nov 19, 2004 at 03:06:43AM -0500,
 Dan Mahoney, System Admin <danm@prime.gushi.org> wrote 
 a message of 25 lines which said:

> I'm having trouble wrapping my head around ipv6 style suffixes --
> does anyone have a chart handy?  How big is a /64, specifically?

Since an IPv6 address is 128 bits, a /64 holds 2 ** (128 - 64)
addresses, which is 2 ** 64. But it seems too simple. This was really
your question?

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