Observed routing loops on Cogent out of McAllen. Reachability cleaned up after turning down peering to them. Cogent has an entry on their Network Status page now.
https://ecogent.cogentco.com/network-status ________________________________ From: Lee Fawkes via NANOG <[email protected]> Sent: Tuesday, November 25, 2025 4:20 PM To: North American Network Operators Group <[email protected]> Cc: Lee Fawkes <[email protected]> Subject: Re: internet - at least texas [EXTERNAL EMAIL] DO NOT CLICK links or attachments unless you recognize the sender and know the content is safe. Yeah, I'm getting a bunch of alerts for Texas too. Seems like it might affect multiple areas and multiple carriers, but I don't really have a sense of exactly what's going on yet. I am seeing a lot of Cogent, but I'm seeing alerts for other carriers too. Curious if anyone else has anything. On Tue, Nov 25, 2025 at 6:49 PM June Slater via NANOG <[email protected]> wrote: > Seeing some loss on Cogent in Austin. Drained Cogent, others appear to be > fine. > > June Slater > > On Tue, Nov 25, 2025 at 3:32 PM Aaron Gould via NANOG < > [email protected]> > wrote: > > > what in the world is going on in texas? i'm in south texas (san > > antonio) and all 4 of my internet connections went way down! i disabled > > cogent bgp and already looking better on my other transit links > > (non-cogent) > > > > -- > > -Aaron > > > > _______________________________________________ > > NANOG mailing list > > > > > https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.nanog.org%2Farchives%2Flist%2Fnanog%40lists.nanog.org%2Fmessage%2F3KIJECRT6TZWEICWHLH4G4DSY4BXXW6L%2F&data=05%7C02%7Cben.jahner%40omnifiber.com%7C98525d80623c4186d44408de2c81bfa0%7C4f71511df1044afd8f10d38e93d26bcc%7C0%7C0%7C638997132938040548%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=NUdOT20vw8ADKz4%2F6uAn%2FzTse4Y2PUEUqHtiOGdriQk%3D&reserved=0<https://lists.nanog.org/archives/list/[email protected]/message/3KIJECRT6TZWEICWHLH4G4DSY4BXXW6L/> > _______________________________________________ > NANOG mailing list > > https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.nanog.org%2Farchives%2Flist%2Fnanog%40lists.nanog.org%2Fmessage%2F6XXD4ALEE6EG53UD2YRHBVA5OZTWHXOL%2F&data=05%7C02%7Cben.jahner%40omnifiber.com%7C98525d80623c4186d44408de2c81bfa0%7C4f71511df1044afd8f10d38e93d26bcc%7C0%7C0%7C638997132938068449%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=086ugNSmYNx44ZBN6Toqvz9zIlioBU7V6W2mUKbSots%3D&reserved=0<https://lists.nanog.org/archives/list/[email protected]/message/6XXD4ALEE6EG53UD2YRHBVA5OZTWHXOL/> _______________________________________________ NANOG mailing list https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Flists.nanog.org%2Farchives%2Flist%2Fnanog%40lists.nanog.org%2Fmessage%2FT7X6CXYMTCKV47WTMWDIEZBMZRDWFOO4%2F&data=05%7C02%7Cben.jahner%40omnifiber.com%7C98525d80623c4186d44408de2c81bfa0%7C4f71511df1044afd8f10d38e93d26bcc%7C0%7C0%7C638997132938080218%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=pWHzWQgtHrSeh2yd8awy0P1XY85GKMt8JR0GDYgwke4%3D&reserved=0<https://lists.nanog.org/archives/list/[email protected]/message/T7X6CXYMTCKV47WTMWDIEZBMZRDWFOO4/> _______________________________________________ NANOG mailing list https://lists.nanog.org/archives/list/[email protected]/message/6NGMSAHO4URJ2OM7MVDXWHRJIDI2K3VA/
