If you have CPanel through your web host, you can click on web/ftp stats, then, click on latest visitors, and you will see all of your latest visitors and crawlers, and lots of other information. This is also the area where you will find Webalizer and Awstats information if your host has included them in CPanel.

 

If your web host has other control panel software, just do some checking, as they may have something similar. If they don't provide any control panel type software that would give you this information, I'd be surprised.