AS16509 3.140.128.0/19 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 8190Addressable IPs: 81923.140.128.0/243.140.129.0/243.140.130.0/243.140.131.0/243.140.132.0/243.140.133.0/243.140.134.0/243.140.135.0/243.140.136.0/243.140.137.0/243.140.138.0/243.140.139.0/243.140.140.0/243.140.141.0/243.140.142.0/243.140.143.0/243.140.144.0/243.140.145.0/243.140.146.0/243.140.147.0/243.140.148.0/243.140.149.0/243.140.150.0/243.140.151.0/243.140.152.0/243.140.153.0/243.140.154.0/243.140.155.0/243.140.156.0/243.140.157.0/243.140.158.0/243.140.159.0/24