AS16509 13.57.181.144/28 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 14Addressable IPs: 16 13.57.181.14513.57.181.14613.57.181.14713.57.181.14813.57.181.14913.57.181.15013.57.181.15113.57.181.15213.57.181.15313.57.181.15413.57.181.15513.57.181.15613.57.181.15713.57.181.15813.57.181.15913.57.181.160