AT&T/as7018 now drops invalid prefixes from peers

Patrick W. Gilmore patrick at
Mon Feb 11 15:36:19 UTC 2019

Jay & everyone AT&T: I just want to say thank you. Kudos to your team for implementing and management for having the intestinal fortitude to do so.


> On Feb 11, 2019, at 09:53, Jay Borkenhagen <jayb at> wrote:
> FYI:
> The AT&T/as7018 network is now dropping all RPKI-invalid route
> announcements that we receive from our peers.  
> We continue to accept invalid route announcements from our customers,
> at least for now.  We are communicating with our customers whose
> invalid announcements we are propagating, informing them that these
> routes will be accepted by fewer and fewer networks over time.
> Thanks to those of you who are publishing ROAs in the RPKI.  We would
> also like to encourage other networks to join us in taking this step
> to improve the quality of routing information in the Internet.
> Thanks!
> 						Jay B.

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