live.com is sending fake visits to most websites with fake keywords, to check for cloaks. This is stupid and fakes web analytics data, lots of users think "Ohhh live is sending me visitors, finally!". But really microsoft is spamming... Lots of people are complaining about this on the web.
We have to block these Ips ranges:

example IPs:
65.55.110.40
65.55.109.206
65.55.109.143
65.55.110.184
65.55.107.212
65.55.109.85
65.55.107.228
65.55.109.143
65.55.107.238
65.55.109.40
65.55.109.27
65.55.109.58
65.55.109.180
65.55.107.209
65.55.109.135
65.55.109.70
65.55.109.221
65.55.110.74
65.55.110.43
65.55.110.120
65.55.110.27
65.55.110.51
65.55.110.245
65.55.110.35
65.55.110.16
65.55.109.124
65.55.109.47
65.55.109.169
65.55.110.182
65.55.110.107
65.55.109.244
65.55.109.236
65.55.110.121
65.55.109.24
65.55.107.236
65.55.109.142
65.55.109.20
65.55.109.45
65.55.109.186
65.55.109.154
65.55.107.202
65.55.110.204
65.55.109.239
65.55.109.25
65.55.109.237
65.55.110.242
65.55.109.232
65.55.109.83
65.55.110.203
65.55.107.218
65.55.109.178
65.55.110.131
65.55.110.155
65.55.107.208
65.55.109.191
65.55.110.181
65.55.110.226
65.55.109.178
65.55.109.107
65.55.109.10
65.55.109.23
65.55.110.192
65.55.110.94
65.55.110.155
65.55.110.91
65.55.109.37
65.55.109.61
65.55.110.197
65.55.110.106
65.55.109.52
65.55.107.205
65.55.109.206
65.55.107.185
65.55.109.38
65.55.110.86
65.55.110.158
65.55.109.43
65.55.110.244
65.55.109.108
65.55.110.53
65.55.109.185
65.55.110.24
65.55.110.86
65.55.110.48
65.55.109.107
65.55.110.43
65.55.110.189
65.55.109.173
65.55.109.43
65.55.110.245
65.55.109.146
65.55.109.182
65.55.110.73
65.55.110.41
65.55.109.243

see some of the many complaints...

• http://kaioa.com/node/58
• http://sebastians-pamphlets.com/msn-admits-clueless-and-ineffective-spamming/