AS16509 56.103.128.0/20 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 4094Addressable IPs: 409656.103.128.0/2456.103.129.0/2456.103.130.0/2456.103.131.0/2456.103.132.0/2456.103.133.0/2456.103.134.0/2456.103.135.0/2456.103.136.0/2456.103.137.0/2456.103.138.0/2456.103.139.0/2456.103.140.0/2456.103.141.0/2456.103.142.0/2456.103.143.0/24