AS16509 52.94.72.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 204852.94.72.0/2452.94.73.0/2452.94.74.0/2452.94.75.0/2452.94.76.0/2452.94.77.0/2452.94.78.0/2452.94.79.0/24