AS16509 13.57.223.248/29 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 6Addressable IPs: 8 13.57.223.24913.57.223.25013.57.223.25113.57.223.25213.57.223.25313.57.223.25413.57.223.25513.57.223.256