William Herrin bill at
Tue Oct 18 15:29:19 UTC 2022

On Tue, Oct 18, 2022 at 4:59 AM Sandoiu Mihai <Mihai.Sandoiu at> wrote:
> We have witnessed a lot of prepending in the last days, we got a few internet routes that have 30…200 prepends, did you face the same issue?

Hi Sandoiu,

Not a direct answer to your question, but broadly speaking any route
with an AS path longer than the Internet is hops wide is a mistake
that can be safely filtered from your routing table. That's somewhere
around 64.

Bill Herrin

For hire.

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