AS19864 66.81.40.0/21 CIDR and IP Range Summary.ASN: 19864 - HFA Specialty Assets LLCHost Count: 2046Addressable IPs: 204866.81.40.0/2466.81.41.0/2466.81.42.0/2466.81.43.0/2466.81.44.0/2466.81.45.0/2466.81.46.0/2466.81.47.0/24