AS16509 13.57.172.240/28 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 14Addressable IPs: 16 13.57.172.24113.57.172.24213.57.172.24313.57.172.24413.57.172.24513.57.172.24613.57.172.24713.57.172.24813.57.172.24913.57.172.25013.57.172.25113.57.172.25213.57.172.25313.57.172.25413.57.172.25513.57.172.256