107.22.0.0-107.22.31.255 107.22.0.0/19
107.22.32.0-107.22.47.255 107.22.32.0/20
107.22.48.0-107.22.49.255 107.22.48.0/23
107.20.0.0-107.21.255.255 107.20.0.0/15