AS16509 143.204.112.0/21 CIDR and IP Range Summary.ASN: 16509 - Amazon.com Inc.Host Count: 2046Addressable IPs: 2048143.204.112.0/24143.204.113.0/24143.204.114.0/24143.204.115.0/24143.204.116.0/24143.204.117.0/24143.204.118.0/24143.204.119.0/24