AS16509 54.240.208.0/20 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 4094Addressable IPs: 409654.240.208.0/2454.240.209.0/2454.240.210.0/2454.240.211.0/2454.240.212.0/2454.240.213.0/2454.240.214.0/2454.240.215.0/2454.240.216.0/2454.240.217.0/2454.240.218.0/2454.240.219.0/2454.240.220.0/2454.240.221.0/2454.240.222.0/2454.240.223.0/24