Thanks for the transparency, Vincent. Are you able to share how the AS-Path became mangled to begin with? I’m assuming this was some kind of route optimizer, but maybe something else going on?
On Mon, Oct 23, 2023 at 07:32 <vinc...@milkywan.fr> wrote: > Hello everyone, > I'm working for MilkyWan / AS2027 and I wanted to give you some > explanations regarding this incident. Last week-end, during an upgrade > on our network configuration, it appears that some prefixes were > announced with an incorrect AS Path. Based on our analysis, none of > these routes seem to have been announced anywhere, but to some > route-collectors (RIPE RIS, BGP.Tools, Qrator, HE.net, NLNOG RING), and > therefore didn't effectively end up in the DFZ. > The issue was discovered quickly (in a few minutes) and corrected right > away. > The incident is now closed on our side; please reach out to us should > you see anything proving otherwise. > > We deeply apologize for that and we can confirm it was not a BGP hijack > attempt. > > Wishing you a very pleasant day. > > Vincent F. for Milkywan Team > > Le 2023-10-22 19:02, Olivier Benghozi a écrit : > > Same stuff (with our ASN and our prefixes) detected here, coming from > > AS2027 (Milkywan), for a short time... > > > > Le dim. 22 oct. 2023 à 17:18, Hank Nussbacher <h...@efes.iucc.ac.il> > > a écrit : > > > >> We just had every single prefix in AS378 start being announced by > >> AS2027. > >> > >> Every announcement by AS2027 is failing RPKI yet being propagated a > >> bit. > >> Is this yet another misbehaving device or an actual attack? > > > > _Ce message et toutes les pièces jointes (ci-après le "message") > > sont établis à l’intention exclusive des destinataires désignés. > > Il contient des informations confidentielles et pouvant être > > protégé par le secret professionnel. Si vous recevez ce message par > > erreur, merci d'en avertir immédiatement l'expéditeur et de > > détruire le message. Toute utilisation de ce message non conforme à > > sa destination, toute diffusion ou toute publication, totale ou > > partielle, est interdite, sauf autorisation expresse de l'émetteur_ >