20 Feb
2001
20 Feb
'01
2:01 p.m.
On Tue, 20 Feb 2001, Dan Streufert <dans@icss.com> wrote:
On one hand, portability would be nice. On the other, is a /20 globally routable in practice? I seem to remember hearing that /19 was the smallest
Yes, you'll be fine with a /20 from the blocks that ARIN allocates from. When we applied for IP space about a year ago, our /20 came out of 216/8. ARIN is currently allocating from 64/8, 65/8, and 66/8, so providers changed their filters to permit that. You can read various provider filtering policies at http://www.nanog.org/filter.html ; Verio's is the most restrictive. Cheers, Troy