AS6389 74.244.128.0/20 CIDR and IP Range Summary.ASN: 6389 - Bellsouth.net Inc.Host Count: 4094Addressable IPs: 409674.244.128.0/2474.244.129.0/2474.244.130.0/2474.244.131.0/2474.244.132.0/2474.244.133.0/2474.244.134.0/2474.244.135.0/2474.244.136.0/2474.244.137.0/2474.244.138.0/2474.244.139.0/2474.244.140.0/2474.244.141.0/2474.244.142.0/2474.244.143.0/24