AS16509 18.165.232.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 204818.165.232.0/2418.165.233.0/2418.165.234.0/2418.165.235.0/2418.165.236.0/2418.165.237.0/2418.165.238.0/2418.165.239.0/24