IPv6 End User Assignments

Gert Doering gert at space.net
Sat May 9 18:17:33 CEST 2009


On Sat, May 09, 2009 at 09:13:55AM -0700, Leo Vegoda wrote:
> [...]
> >> And, as the policy states, these are only guidelines.
> >> Some ISPs will need to assign a /47 or /46 per customer because their
> >> business model requires it.
> > 
> > This would require approval from the RIPE NCC if done in the RIPE region.
> > 
> > /48.../64 is something the ISP can choose, but /47 or shorter needs
> > hostmaster approval in every single case.
> But a /47 sub-allocation does not need RIR approval. So the ISP can provide
> a /47 prefix which the customer can assign as two separate /48, one to each
> half of its 'site'.

I would call this "bending the policy".  Even if you do sub-allocations, 
the assignment rule of "maximum of a /48 per site" still holds (and the
NCC is going to ask the LIR questions about this).

Of course, if the customer actually *has* two sites, two /48s would 
obviously be fine.

(And yes, I'm aware that "site" isn't one of the best-defined terms)

Gert Doering
        -- APWG chair
Total number of prefixes smaller than registry allocations:  128645

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