AS16509 170.72.240.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 2048170.72.240.0/24170.72.241.0/24170.72.242.0/24170.72.243.0/24170.72.244.0/24170.72.245.0/24170.72.246.0/24170.72.247.0/24