Awstats lists all the robots like this:
Inktomi Slurp 933+543 7.55 MB 15 Mar 2005 – 08:04
The name, how often has it crawled this month, how often did it hit robots.txt files, what bandwidth does it use, when was the last visit.
Awstats does not count robots as visitors. Some stats do that and it messes things up.
Awstats is one of the stats programs I use and I find it quite useful.