AS16509 99.83.80.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 204899.83.80.0/2499.83.81.0/2499.83.82.0/2499.83.83.0/2499.83.84.0/2499.83.85.0/2499.83.86.0/2499.83.87.0/24