AS6389 74.253.0.0/20 CIDR and IP Range Summary.ASN: 6389 - Bellsouth.net Inc.Host Count: 4094Addressable IPs: 409674.253.0.0/2474.253.1.0/2474.253.2.0/2474.253.3.0/2474.253.4.0/2474.253.5.0/2474.253.6.0/2474.253.7.0/2474.253.8.0/2474.253.9.0/2474.253.10.0/2474.253.11.0/2474.253.12.0/2474.253.13.0/2474.253.14.0/2474.253.15.0/24