AS16509 18.245.0.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 204818.245.0.0/2418.245.1.0/2418.245.2.0/2418.245.3.0/2418.245.4.0/2418.245.5.0/2418.245.6.0/2418.245.7.0/24