ISP Filter Policies

Philip Smith pfs at
Thu Aug 23 20:14:27 UTC 2007

Adam Clark said the following on 24/8/07 04:02:
> I've noticed that is a little out of date, 
> and I was wondering if anyone knows whether any ISPs currnetly have issues 
> with /24 BGP advertisements for blocks outside of the traditional Class C 
> space?

My regular analysis report shows 120790 /24s in the BGP table today. So
I'd suspect that there are few problems with /24 advertisements; but
that's just my BGP view, could be different elsewhere.

Before you start your migration, announce one /24 as a trial and see
what happens?


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