AS11550 66.244.72.0/21 CIDR and IP Range Summary.ASN: 11550 - Smithville Digital LLCHost Count: 2046Addressable IPs: 204866.244.72.0/2466.244.73.0/2466.244.74.0/2466.244.75.0/2466.244.76.0/2466.244.77.0/2466.244.78.0/2466.244.79.0/24