AS16509 3.164.224.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 20483.164.224.0/243.164.225.0/243.164.226.0/243.164.227.0/243.164.228.0/243.164.229.0/243.164.230.0/243.164.231.0/24