AS16509 3.112.136.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 20483.112.136.0/243.112.137.0/243.112.138.0/243.112.139.0/243.112.140.0/243.112.141.0/243.112.142.0/243.112.143.0/24