AS16509 52.85.72.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 204852.85.72.0/2452.85.73.0/2452.85.74.0/2452.85.75.0/2452.85.76.0/2452.85.77.0/2452.85.78.0/2452.85.79.0/24