AS16509 18.244.48.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 204818.244.48.0/2418.244.49.0/2418.244.50.0/2418.244.51.0/2418.244.52.0/2418.244.53.0/2418.244.54.0/2418.244.55.0/24