MSN:
64.4.0.0 - 64.4.63.255
207.68.128.0 - 207.68.207.255
65.52.0.0 - 65.55.255.255
207.46.0.0 - 207.46.255.255

Yahoo:
66.228.160.0 - 66.228.191.255
66.196.64.0 - 66.196.127.255
68.142.192.0 - 68.142.255.255
72.30.0.0 - 72.30.255.255

Google:
62.141.89.32 - 62.141.89.47
62.92.16.32 - 62.92.16.63
64.233.160.0 - 64.233.191.255
65.196.235.32 - 65.196.235.47
65.214.112.96 - 65.214.112.127
(66.102.6.136 +) --> 66.102.0.0 - 66.102.15.255
66.192.134.32 - 66.192.134.47
64.233.160.0 - 64.233.191.255
66.102.0.0 - 66.102.15.255
66.249.64.0 - 66.249.95.255
72.14.192.0 - 72.14.239.255
216.239.32.0 - 216.239.63.255
66.249.64.0 - 66.249.95.255
67.126.100.8 - 67.126.100.15
67.69.26.16 - 67.69.26.23
69.111.141.152 - 69.111.141.159
69.111.141.160 - 69.111.141.167
69.224.21.208 - 69.224.21.215
69.224.31.104 - 69.224.31.111
69.224.31.88 - 69.224.31.95
69.228.70.216 - 69.228.70.223
69.228.70.224 - 69.228.70.231
69.228.70.232 - 69.228.70.239
69.228.70.248 - 69.228.70.255
69.228.76.104 - 69.228.76.111
69.236.33.64 - 69.236.33.71
69.237.120.224 - 69.237.120.231
71.130.103.16 - 71.130.103.23
71.130.103.24 - 71.130.103.31
71.130.103.32 - 71.130.103.39
71.130.103.40 - 71.130.103.47
71.130.103.8 - 71.130.103.15
71.130.34.224 - 71.130.34.231
71.130.34.232 - 71.130.34.239
71.130.34.240 - 71.130.34.247
72.14.192.0 - 72.14.255.255
80.77.101.16 - 80.77.101.31
80.77.106.64 - 80.77.106.79
81.80.91.123 - 81.80.91.123
83.141.89.124 - 83.141.89.127
83.206.180.88 - 83.206.180.95
193.120.148.176 - 193.120.148.191
195.18.164.168 - 195.18.164.175
195.229.194.88 - 195.229.194.95
209.85.128.0 - 209.85.143.255
210.172.112.128 - 210.172.112.135
210.230.195.240 - 210.230.195.255
212.106.74.128 - 212.106.74.159
212.99.9.224 - 212.99.9.231
213.19.160.192 - 213.19.160.207
213.61.101.0 - 213.61.101.31
216.239.32.0 - 216.239.63.255
217.110.120.128 - 217.110.120.135
217.118.234.96 - 217.118.234.111
217.33.127.208 - 217.33.127.223

Gigablast:
66.154.103.0 - 66.154.103.255
64.62.168.0 - 64.62.168.255
66.154.102.0 - 66.154.102.255

Teoma has blocks:
65.214.44.0 - 65.214.47.255