AS16509 13.57.231.176/28 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 14Addressable IPs: 16 13.57.231.17713.57.231.17813.57.231.17913.57.231.18013.57.231.18113.57.231.18213.57.231.18313.57.231.18413.57.231.18513.57.231.18613.57.231.18713.57.231.18813.57.231.18913.57.231.19013.57.231.19113.57.231.192