Which Ad Networks Did Facebook Shut Down?

Last night Facebook restated their commitment to fighting off aggressive advertisers and as part of that commitment they have shut down two more ad networks which continue to violate the platform terms. Unfortunately we have no idea which ad networks they shut down and even after talking to multiple sources we have yet to uncover who those networks are. Perhaps the people who were shut down are irrelevant, but as I wrote at the beginning of the week, casualties