AS16509 18.128.0.0/12 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 1048574Addressable IPs: 104857618.128.0.0/1618.129.0.0/1618.130.0.0/1618.131.0.0/1618.132.0.0/1618.133.0.0/1618.134.0.0/1618.135.0.0/1618.136.0.0/1618.137.0.0/1618.138.0.0/1618.139.0.0/1618.140.0.0/1618.141.0.0/1618.142.0.0/1618.143.0.0/16