AS16509 52.216.184.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 204852.216.184.0/2452.216.185.0/2452.216.186.0/2452.216.187.0/2452.216.188.0/2452.216.189.0/2452.216.190.0/2452.216.191.0/24