50.19.126.0-50.19.127.255 50.19.126.0/23
50.19.128.0-50.19.143.255 50.19.128.0/20
50.19.144.0-50.19.147.255 50.19.144.0/22
50.19.148.0-50.19.148.255 50.19.148.0/24