AS16509 52.219.56.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 204852.219.56.0/2452.219.57.0/2452.219.58.0/2452.219.59.0/2452.219.60.0/2452.219.61.0/2452.219.62.0/2452.219.63.0/24