212.52.128.0/18,BF block - 19980427
196.28.240.0/19,BF block - 20051124
41.203.224.0/19,BF block - 20080103
41.223.232.0/21,BF block - 20080227
41.216.144.0/19,BF block - 20081114
41.138.96.0/18,BF block - 20090715
41.78.48.0/21,BF block - 20091224