54.147.32.0-54.147.63.255 54.147.32.0/19
54.147.64.0-54.147.127.255 54.147.64.0/18
54.147.128.0-54.147.191.255 54.147.128.0/18
54.147.192.0-54.147.193.255 54.147.192.0/23