AS16509 99.83.240.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 204899.83.240.0/2499.83.241.0/2499.83.242.0/2499.83.243.0/2499.83.244.0/2499.83.245.0/2499.83.246.0/2499.83.247.0/24