AS16509 18.176.0.0/13 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 524286Addressable IPs: 52428818.176.0.0/1618.176.0.0/1618.176.0.0/1618.176.0.0/1618.176.0.0/1618.176.0.0/1618.176.0.0/1618.176.0.0/16