AS16509 13.57.23.16/28 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 14Addressable IPs: 16 13.57.23.1713.57.23.1813.57.23.1913.57.23.2013.57.23.2113.57.23.2213.57.23.2313.57.23.2413.57.23.2513.57.23.2613.57.23.2713.57.23.2813.57.23.2913.57.23.3013.57.23.3113.57.23.32