AS16509 18.64.232.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 204818.64.232.0/2418.64.233.0/2418.64.234.0/2418.64.235.0/2418.64.236.0/2418.64.237.0/2418.64.238.0/2418.64.239.0/24