104.28.16.0-104.28.31.255 104.28.16.0/20
104.28.32.0-104.28.63.255 104.28.32.0/19
104.28.64.0-104.28.127.255 104.28.64.0/18
104.28.128.0-104.28.255.255 104.28.128.0/17
104.29.0.0-104.29.255.255 104.29.0.0/16
104.30.0.0-104.30.255.255 104.30.0.0/16