AS16509 71.152.16.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 204871.152.16.0/2471.152.17.0/2471.152.18.0/2471.152.19.0/2471.152.20.0/2471.152.21.0/2471.152.22.0/2471.152.23.0/24