Re: Can route-views be trusted?
Benjamin Collet via NANOG <[email protected]>
| Newsgroups | gmane.org.operators.nanog |
|---|---|
| Message-ID | <[email protected]> |
Hi, On Tue, 03 Mar 2026 at 10:13:53 +0200, Hank Nussbacher via NANOG wrote: > We had F5 announce a /24 on our behalf. We then asked F5 to withdraw that > /24. Route-views showed the /24 still being announced via an F5 path. F5 > claims that route-views is incorrect and the route had been properly > withdrawn. They state that public route collectors (including route-views) > reflect what their individual collector peers are seeing at a given moment. > Due to propagation timing, peer refresh intervals, and collector update > cycles, visibility across different monitoring platforms is not always > perfectly synchronized in real time. F5 has a (real time) looking glass (https://lg.as35280.net/) and their BGP communities are documented in their AS object (whois -h whois.ripe.net as35280). It should easily tell you if they actually withdrew your prefix and/or where they're learning it from. Ben -- Benjamin Collet _______________________________________________ NANOG mailing list https://lists.nanog.org/archives/list/[email protected]/message/OXM4CQUIRONS43NDQUWNEY6VUFITK6ZL/