104.18.56.0-104.18.63.255 104.18.56.0/21
104.18.64.0-104.18.127.255 104.18.64.0/18
104.18.128.0-104.18.255.255 104.18.128.0/17
104.19.0.0-104.19.255.255 104.19.0.0/16
104.20.0.0-104.23.255.255 104.20.0.0/14
104.24.0.0-104.31.255.255 104.24.0.0/13