AS19108 72.47.120.0/21 CIDR and IP Range Summary.ASN: 19108 - OptimumHost Count: 2046Addressable IPs: 204872.47.120.0/2472.47.121.0/2472.47.122.0/2472.47.123.0/2472.47.124.0/2472.47.125.0/2472.47.126.0/2472.47.127.0/24