AS16509 99.86.144.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 204899.86.144.0/2499.86.145.0/2499.86.146.0/2499.86.147.0/2499.86.148.0/2499.86.149.0/2499.86.150.0/2499.86.151.0/24