Got a whole bunch of requests on a site tonight from this user agent:
Mozilla/4.0 (compatible; MSIE 5.0; Windows XP) Opera 6.05 [en]
This looks a little odd and the traffic was hitting the same site alternatively on www. and without the www. - basically hitting all the pages in the site.
The IP address: 22.214.171.124
Time: 12/17/2008 7:40:44 PM