AS27621 208.81.72.0/21 CIDR and IP Range Summary.ASN: 27621 - American Computer AssociatesHost Count: 2046Addressable IPs: 2048208.81.72.0/24208.81.73.0/24208.81.74.0/24208.81.75.0/24208.81.76.0/24208.81.77.0/24208.81.78.0/24208.81.79.0/24