Someone is hammering the PortlandPodcasting.org XML feed

I figured out what is causing the huge spike in traffic that I noticed. Someone, in the last 24 hours, has been requesting the XML/Atom feed for this site (http://www.portlandpodcasting.org/atom.xml) at a ridiculously high rate - more than 32000 hits just today - that's about 22 times a minute.

Someone has got a misconfigured RSS aggregator. If you subscribed to this feed in the last 24 hours, please check your aggregator settings and fix them. Your aggregator should be configured to check for updates no more than once an hour, if not once a day (this site isn't updated much more than daily).

My web host doesn't provide very good access to my raw log files, so I haven't been able to track down the IP address of the offender. So, I'm going to try it this way.

Whoever is hammering the feed, fix your aggregator or unsubscribe from the feed, please! You're chewing up my bandwidth, and costing me money.