nanog mailing list archives

Re: /27 the new /24


From: Justin Parker <parkerj17 () gmail com>
Date: Fri, 2 Oct 2015 16:12:07 -0400

You guys really don't need to argue on list. There are a lot of people
subscribed here and I don't feel as if anything constructive is being
accomplished.
On Oct 2, 2015 4:07 PM, "Justin M. Streiner" <streiner () cluebyfour org>
wrote:

On Fri, 2 Oct 2015, Niels Bakker wrote:

* tom () 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.


Right, but the OP's question seems to be pointed much more toward global
reachability, not just global uniqueness.

jms



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