AS36521 199.66.208.0/21 CIDR and IP Range Summary.ASN: 36521 - H.O.P. Communications DBA airHOPHost Count: 2046Addressable IPs: 2048199.66.208.0/24199.66.209.0/24199.66.210.0/24199.66.211.0/24199.66.212.0/24199.66.213.0/24199.66.214.0/24199.66.215.0/24