AS393222 205.143.72.0/21 CIDR and IP Range Summary.ASN: 393222 - Intervoice Inc.Host Count: 2046Addressable IPs: 2048205.143.72.0/24205.143.73.0/24205.143.74.0/24205.143.75.0/24205.143.76.0/24205.143.77.0/24205.143.78.0/24205.143.79.0/24