AS16509 13.57.251.16/28 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 14Addressable IPs: 16 13.57.251.1713.57.251.1813.57.251.1913.57.251.2013.57.251.2113.57.251.2213.57.251.2313.57.251.2413.57.251.2513.57.251.2613.57.251.2713.57.251.2813.57.251.2913.57.251.3013.57.251.3113.57.251.32