AS16509 54.183.139.128/28 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 14Addressable IPs: 16 54.183.139.12954.183.139.13054.183.139.13154.183.139.13254.183.139.13354.183.139.13454.183.139.13554.183.139.13654.183.139.13754.183.139.13854.183.139.13954.183.139.14054.183.139.14154.183.139.14254.183.139.14354.183.139.144