/27 the new /24

Niels Bakker niels=nanog at bakker.net
Fri Oct 2 16:42:03 UTC 2015


* tom at ninjabadger.net (Tom Hill) [Fri 02 Oct 2015, 18:34 CEST]:
>Any RIR - or LIR - that considers allocating space in sizes smaller 
>than a /24 (for the purpose of announcing to the DFZ) would do well 
>to read this report from RIPE Labs:
>
> https://labs.ripe.net/Members/emileaben/has-the-routability-of-longer-than-24-prefixes-changed
>
>tl;dr: it's still a bad idea to allocate smaller than a /24.

RIPE has long allocated up to /29.  Not everybody needs addresses for 
the Internet; some just need a guarantee of global uniqueness.


	-- Niels.



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