AS6389 68.153.0.0/21 CIDR and IP Range Summary.ASN: 6389 - Bellsouth.net Inc.Host Count: 2046Addressable IPs: 204868.153.0.0/2468.153.1.0/2468.153.2.0/2468.153.3.0/2468.153.4.0/2468.153.5.0/2468.153.6.0/2468.153.7.0/24