AS16509 3.144.0.0/13 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 524286Addressable IPs: 5242883.144.0.0/163.144.0.0/163.144.0.0/163.144.0.0/163.144.0.0/163.144.0.0/163.144.0.0/163.144.0.0/16