AS16509 54.155.224.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 204854.155.224.0/2454.155.225.0/2454.155.226.0/2454.155.227.0/2454.155.228.0/2454.155.229.0/2454.155.230.0/2454.155.231.0/24