Do you also see boobook.idp.inktomi.com in the logs?
Inktomi says of idp;
"The Inktomi Search Engine provides unparalleled opportunities for customization via the Inktomi Data Protocol (IDP). Coupled with the Inktomi Forge Application Server, Inktomi delivers a simple, user-friendly set of integration tools to the Inktomi Search Engine. These tools enable our partners easily access the advanced functionality provided by the Inktomi Search Engine and customize the integration of those features to create unique search solutions for their customers."
If it's paranoid week the boobook owl is a nocturnal hunter.
>What are they going to do, take away the remaining 5-10% of my Ink traffic?
I first saw that spider on June 17/2000, it has spidered a couple of times since then. Nothing atrocious happened to the site, but shortly afterward the "cat" Inktomi spider started showing up. I assumed it was related.