AS16509 104.238.240.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 2048104.238.240.0/24104.238.241.0/24104.238.242.0/24104.238.243.0/24104.238.244.0/24104.238.245.0/24104.238.246.0/24104.238.247.0/24