AS16509 13.57.250.128/28 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 14Addressable IPs: 16 13.57.250.12913.57.250.13013.57.250.13113.57.250.13213.57.250.13313.57.250.13413.57.250.13513.57.250.13613.57.250.13713.57.250.13813.57.250.13913.57.250.14013.57.250.14113.57.250.14213.57.250.14313.57.250.144