They've been making the rounds laity.
This is one of the post that talks about it. I think there are two others. If you plug in their IP it will throw you to a splash page that talks about the server farm in Fremont. I know they are crawling from two separate IPs. At first I thought they might be doing some clever marketing by causing a buz with their crawling. But I really don't know what they are up to yet.