Telia implements RPKI filtering so the question is did it work? Were any affected prefixes RPKI signed? Would any prefixes have avoided being hijacked if RPKI signing had been in place?

Regards 

Baldur - who had to turn off RPKI filtering at the request of JTAC to stop our mx204s from crashing :-(

tor. 30. jul. 2020 18.59 skrev Töma Gavrichenkov <ximaera@gmail.com>:
Peace,

On Thu, Jul 30, 2020, 5:48 AM Clinton Work <clinton@scripty.com> wrote:
We saw a bunch of our IP blocks hijacked by AS10990 from 19:15 MDT until 20:23 MDT.   Anybody else have problems with that.

Here's what we discovered about the incident.  Hope that brings some clarity.

https://radar.qrator.net/blog/as10990-routing-optimization-tale

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Töma