AS16509 54.183.78.112/28 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 14Addressable IPs: 16 54.183.78.11354.183.78.11454.183.78.11554.183.78.11654.183.78.11754.183.78.11854.183.78.11954.183.78.12054.183.78.12154.183.78.12254.183.78.12354.183.78.12454.183.78.12554.183.78.12654.183.78.12754.183.78.128