54.39.0.0-54.39.127.255 54.39.0.0/17
54.39.128.0-54.39.191.255 54.39.128.0/18
54.39.192.0-54.39.223.255 54.39.192.0/19
54.39.224.0-54.39.231.255 54.39.224.0/21
54.39.232.0-54.39.235.255 54.39.232.0/22