AS16509 99.77.224.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 204899.77.224.0/2499.77.225.0/2499.77.226.0/2499.77.227.0/2499.77.228.0/2499.77.229.0/2499.77.230.0/2499.77.231.0/24