BGP prefix filter list

Robert Blayzor rblayzor.bulk at
Thu May 30 15:30:01 UTC 2019

On 5/24/19 2:22 PM, William Herrin wrote:
> Get it? I announce the /24 via both so that you can reach me when there
> is a problem with one or the other. If you drop the /24, you break the
> Internet when my connection to CenturyLink is inoperable. Good job!

It would be dropped only if the origin-as was the same. Your AS and your
carriers aggregate announcement would be from two different origin AS.
At least that's the gist of it...


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