IPv6 prefix lengths

Richard Barnes richard.barnes at gmail.com
Wed Jan 12 21:49:15 CST 2011

Hi all,

What IPv6 prefix lengths are people accepting in BGP from
peers/customers?  My employer just got a /48 allocation from ARIN, and
we're trying to figure out how to support multiple end sites out of
this (probably around 10).  I was thinking about assigning a /56 per
site, but looking at the BGP table stats on potaroo.net [1], it looks
like this is not too common (only .29% of prefixes).  Thoughts?


[1] <http://bgp.potaroo.net/v6/as2.0/index.html>

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