AS16509 3.117.128.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 20483.117.128.0/243.117.129.0/243.117.130.0/243.117.131.0/243.117.132.0/243.117.133.0/243.117.134.0/243.117.135.0/24