AS16509 18.239.112.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 204818.239.112.0/2418.239.113.0/2418.239.114.0/2418.239.115.0/2418.239.116.0/2418.239.117.0/2418.239.118.0/2418.239.119.0/24