AS16509 18.68.80.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 204818.68.80.0/2418.68.81.0/2418.68.82.0/2418.68.83.0/2418.68.84.0/2418.68.85.0/2418.68.86.0/2418.68.87.0/24