200.50.192.0/18,HT block - 20000929
200.80.96.0/19,HT block - 20040511
200.4.160.0/19,HT block - 20040713
200.2.128.0/19,HT block - 20040805
200.113.192.0/18,HT block - 20041021
200.2.144.0/19,HT block - 20071210
190.102.64.0/18,HT block - 20080228
200.4.176.0/19,HT block - 20081210
190.120.192.0/19,HT block - 20090127
190.120.208.0/19,HT block - 20090130
200.80.112.0/19,HT block - 20090316