Reply to post: Re: Backwards compatible

We are absolutely, definitively, completely and utterly out of IPv4 addresses, warns RIPE

Nanashi

Re: Backwards compatible

v4 divides its addresses up in exactly the same way. Registries get assigned their prefixes from IANA, ISPs get their prefix from the registries, sites get their prefix from the ISP, LANs get their prefix from the site. It's the same as in v6, with the only real difference being that v6 actually has the space to do sparse, aggregated allocations at all levels.

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