On Mon, Oct 10, 2022 at 05:58:45PM +0300, Edvinas Kairys <edvinas.em...@gmail.com> wrote a message of 35 lines which said:
> But theoretically every filtered /24 could be routed via smaller > prefix /23 /22 /21 or etc. I don't think this is true, even in theory, specially for legacy prefixes. There is probably somewhere a Geoff Huston survey on /24 without a covering route.