Welcome to WebmasterWorld Guest from 18.104.22.168
Mozilla/4.0 (compatible; MSIE 5.5; Windows 98; fs_ie5_04_2000i; MSIECrawler)
Mozilla/4.0 (compatible; MSIE 5.01; Windows 98; MSIECrawler)
Mozilla/4.0 (compatible; MSIE 4.0; Windows NT; Site Server 3.0 Robot) certbytes
SearchExpress Spider 0.99c obj
Slurp - Inktomi
Slurp.so - Inktomi (International)
FAST-WebCrawler - Fast - Alltheweb.com
Scooter - AV
Gulliver - Northern Light
Lycos-Proxy - pretty obvious
Lycos_Spider_(T-Rex)- pretty obvious
InfoSeek Sidewinder - pretty obvious
Hope that helps. Anybody able to fill in the gaps?
DIIbot belongs to a company called Digital Integrity [digital-integrity.com] (The link goes to their spider info)
Aranha is the name of a Spanish language get-paid-to-surf site. I am guessing that this is their spider, but I don't know for sure.
Kenjin is an information technology product from a compnay called Autonomy. Their purpose is to help an individual bypass dependency on the commercial search engines. That sounds intriguing, but I didn't have the time to explore any further.