54.161.140.0-54.161.143.255 54.161.140.0/22
54.161.144.0-54.161.159.255 54.161.144.0/20
54.161.160.0-54.161.191.255 54.161.160.0/19
54.161.192.0-54.161.207.255 54.161.192.0/20
54.161.208.0-54.161.215.255 54.161.208.0/21