AS16509 15.220.64.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 204815.220.64.0/2415.220.65.0/2415.220.66.0/2415.220.67.0/2415.220.68.0/2415.220.69.0/2415.220.70.0/2415.220.71.0/24