AS6389 72.157.224.0/20 CIDR and IP Range Summary.ASN: 6389 - Bellsouth.net Inc.Host Count: 4094Addressable IPs: 409672.157.224.0/2472.157.225.0/2472.157.226.0/2472.157.227.0/2472.157.228.0/2472.157.229.0/2472.157.230.0/2472.157.231.0/2472.157.232.0/2472.157.233.0/2472.157.234.0/2472.157.235.0/2472.157.236.0/2472.157.237.0/2472.157.238.0/2472.157.239.0/24