[Gllug] Public IPs - When are they appropriate

[Paul Brazier]

> I once read a statistic that there is one IPv6 address for 
> every atom on
> the surface of the earth. But only some of the IPv6 addresses 
> are assigned
> for general use and of these ones there is only one for every 
> square meter
> of land on the surface of the Earth.

there should be 256^4 = 2^32 = 4,294,967,296 normal IP addresses
and 256^6 = 2^48 = 281,474,976,710,656 IPv6 addresses

(including broadcast addresses etc.)

I think there are 6 billion humans approx. (6,000,000,000)
( check out http://opr.princeton.edu/popclock/ )

thus there should be 281,474,976,710,656 / 6,000,000,000 ~ 47,000 IPs
per person.

If both the numnber of humans and the number of computer per person is
increasing, this could I suppose cause future problems, but only for a
scenario where we have an interplanetary network - perhaps not likely
given the way things are going.


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