AS16509 3.117.152.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 20483.117.152.0/243.117.153.0/243.117.154.0/243.117.155.0/243.117.156.0/243.117.157.0/243.117.158.0/243.117.159.0/24