I called cogent. Best guess is that they leaked the /32 announcements that people do for the peer a/b stuff. They normally filter them, and don't have any recommendation about whether or not to set no export.
seph seph <[email protected]> writes: > ML <[email protected]> writes: > >> I received an alert from Cyclops telling me a probe in AS513 had seen >> a /32 that I announce to Cogent for one of our BGP sessions. >> >> Did anyone else see this? > > cyclops alerted me that the /32s my routers use got announced. I'm still > tying to figure out what's up. They're not routes I announce, and as far > as I can tell, they were announced with a cern next hop. > > seph
