AS16509 3.128.0.0/12 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 1048574Addressable IPs: 10485763.128.0.0/163.129.0.0/163.130.0.0/163.131.0.0/163.132.0.0/163.133.0.0/163.134.0.0/163.135.0.0/163.136.0.0/163.137.0.0/163.138.0.0/163.139.0.0/163.140.0.0/163.141.0.0/163.142.0.0/163.143.0.0/16