AS16509 108.139.168.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 2048108.139.168.0/24108.139.169.0/24108.139.170.0/24108.139.171.0/24108.139.172.0/24108.139.173.0/24108.139.174.0/24108.139.175.0/24