Google is not recording all impressions and clicks from your adsense ads on unauthorized sites. I thought at first, great, now no jerk can jeopardize my adsense account in any way so I went for it. But after 2 or 3 weeks or so, I found just now some sites ARE showing my ads without permission. Those are the sites: 64.233.179.104 search.aol.com images.google.co.kr Weird. Why are they showing my ads? BTW, do you think it's useful to use the Allowed Sites feature at all?
I thought the "allowed sites" idea was more in the lines of allowing YOU to choose where YOU want your ads to show, giving you better results in the content network from less sites (of your choice), as opposed to using it as a tool to warrant off those cheaters.
The URL address is a Google cache service. It is no problem. search.aol.com is just AOL showing your page through a search result. images.google.co.kr is just Google Images showing an image of your page, no one can click the ads. Not a problem. No one is running your ads without your permission to sabotage your adsense account.