AS6389 74.189.144.0/20 CIDR and IP Range Summary.ASN: 6389 - Bellsouth.net Inc.Host Count: 4094Addressable IPs: 409674.189.144.0/2474.189.145.0/2474.189.146.0/2474.189.147.0/2474.189.148.0/2474.189.149.0/2474.189.150.0/2474.189.151.0/2474.189.152.0/2474.189.153.0/2474.189.154.0/2474.189.155.0/2474.189.156.0/2474.189.157.0/2474.189.158.0/2474.189.159.0/24