AS16509 15.181.240.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 204815.181.240.0/2415.181.241.0/2415.181.242.0/2415.181.243.0/2415.181.244.0/2415.181.245.0/2415.181.246.0/2415.181.247.0/24