Re: IPv6 Ignorance

[Adrian Bool <aid () logic org uk>]

On 17 Sep 2012, at 13:28, John Mitchell <mitch () illuminati org> wrote:

> <snip>
> > Given that the first 3 bits of a public IPv6 address are always 001, giving /48 allocations to customers means that 
> > service providers will only have 2^(48-3) or 2^45 allocations of /48 to hand out > to a population of approximately 
> > 6 billion people. 2^33 is over 8 billion, so assuming a population of 2^33, there will be enough IPv6 /48 
> > allocations to cater for 2^(45-33) or 2^12 or 4096 IPv6 > address allocations per user in the world."
> </snip>

It seems a tad unfair that the bottom 80 bits are squandered away with a utilisation rate of something closely 
approximating  zero; yet the upper 48 bits are assumed to have zero wastage...

Regards,

aid