On 12.09.2012, at 22:46 , Florian Weimer wrote:
... If the prefixes end up in RIS, this could come from leakage
by a Swisscom customer (and another upstream which doesn't filter
properly), or a misconfigured BGP peering for the RIS data feed.
Looks like AS35054 is to blame:
IIRC we talked to them ages ago and it was difficult for them to give RIS another view in Geneva. But my recollection may be wrong ...
Daniel