54.227.37.0-54.227.37.255 54.227.37.0/24
54.227.38.0-54.227.39.255 54.227.38.0/23
54.227.40.0-54.227.47.255 54.227.40.0/21
54.227.48.0-54.227.55.255 54.227.48.0/21
54.227.56.0-54.227.57.255 54.227.56.0/23