AS16509 54.192.104.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 204854.192.104.0/2454.192.105.0/2454.192.106.0/2454.192.107.0/2454.192.108.0/2454.192.109.0/2454.192.110.0/2454.192.111.0/24