Spotted today:
IP: 207.46.199.29
UA: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1; .NET CLR 1.1.4325; .NET CLR 2.0.50727; .NET CLR 3.0.30729; .NET CLR 3.5.30707; InfoPath.2)
IP resolves to:
United States Redmond Microsoft Corp
Host: msnbot-207-46-199-29.search.msn.com
Mainly to detect cloaking, I suppose.
Anybody with more info on this?