>Going deeper, you may want to address each individual cell of his body, you may need few levels more (organ, tissue, cell ID). And that's it - unless you want to address an individual atom in the known universe.
IPv6 offers ~3.4E28 addresses, or about 5E28 addresses for each living human. An average human has about 7E27 atoms, so IPv6 offers about 7 addresses per atom for every human.
Clearly, though, this won't scale up to even planetary frames, let alone solar-system, galactic or universal ones < g >
Regards. Al
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