I guess the page should also state were the collected information is stored and if it is publicly accessible or not.
Topic on Manual talk:$wgPingback
@Legoktm @Ori Livneh Does anybody know?
Updated the page with the basic info that I know of...hope that's helpful.
It indeed is. Thanks a lot!
Enabled this feature on one wiki a couple of weeks ago so there should already be some data available. :)