AS16509 99.86.16.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 204899.86.16.0/2499.86.17.0/2499.86.18.0/2499.86.19.0/2499.86.20.0/2499.86.21.0/2499.86.22.0/2499.86.23.0/24