AS6389 209.149.144.0/21 CIDR and IP Range Summary.ASN: 6389 - Bellsouth.net Inc.Host Count: 2046Addressable IPs: 2048209.149.144.0/24209.149.145.0/24209.149.146.0/24209.149.147.0/24209.149.148.0/24209.149.149.0/24209.149.150.0/24209.149.151.0/24