AS6389 209.149.56.0/21 CIDR and IP Range Summary.ASN: 6389 - Bellsouth.net Inc.Host Count: 2046Addressable IPs: 2048209.149.56.0/24209.149.57.0/24209.149.58.0/24209.149.59.0/24209.149.60.0/24209.149.61.0/24209.149.62.0/24209.149.63.0/24