AS6389 74.174.136.0/21 CIDR and IP Range Summary.ASN: 6389 - Bellsouth.net Inc.Host Count: 2046Addressable IPs: 204874.174.136.0/2474.174.137.0/2474.174.138.0/2474.174.139.0/2474.174.140.0/2474.174.141.0/2474.174.142.0/2474.174.143.0/24