AS16509 18.155.0.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 204818.155.0.0/2418.155.1.0/2418.155.2.0/2418.155.3.0/2418.155.4.0/2418.155.5.0/2418.155.6.0/2418.155.7.0/24