104.27.144.0-104.27.159.255 104.27.144.0/20
104.27.160.0-104.27.191.255 104.27.160.0/19
104.27.192.0-104.27.255.255 104.27.192.0/18
104.28.0.0-104.28.31.255 104.28.0.0/19
104.28.32.0-104.28.47.255 104.28.32.0/20