AS16509 54.93.136.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 204854.93.136.0/2454.93.137.0/2454.93.138.0/2454.93.139.0/2454.93.140.0/2454.93.141.0/2454.93.142.0/2454.93.143.0/24