128.68.58.0-128.68.59.255 128.68.58.0/23
128.68.60.0-128.68.63.255 128.68.60.0/22
128.68.64.0-128.68.127.255 128.68.64.0/18
128.68.128.0-128.68.255.255 128.68.128.0/17
128.69.0.0-128.69.255.255 128.69.0.0/16