IP: 64.241.243.32, (doesn't reverse resolve) User Agent: Mozilla/4.0(compatible; Zealbot 1.0)
bird
6:43 am on May 21, 2002 (gmt 0)
The IP isn't new, that's the old L$ link checker, which used to visit the sites in the directory once a day until about a month ago. I have yet to see it return since the start of their PPC, though, let alone with an UA string.