AS16509 208.78.128.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 2048208.78.128.0/24208.78.129.0/24208.78.130.0/24208.78.131.0/24208.78.132.0/24208.78.133.0/24208.78.134.0/24208.78.135.0/24