AS6389 66.156.176.0/20 CIDR and IP Range Summary.ASN: 6389 - Bellsouth.net Inc.Host Count: 4094Addressable IPs: 409666.156.176.0/2466.156.177.0/2466.156.178.0/2466.156.179.0/2466.156.180.0/2466.156.181.0/2466.156.182.0/2466.156.183.0/2466.156.184.0/2466.156.185.0/2466.156.186.0/2466.156.187.0/2466.156.188.0/2466.156.189.0/2466.156.190.0/2466.156.191.0/24