AS16509 3.125.0.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 20483.125.0.0/243.125.1.0/243.125.2.0/243.125.3.0/243.125.4.0/243.125.5.0/243.125.6.0/243.125.7.0/24