AS7018 74.189.48.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409674.189.48.0/2474.189.49.0/2474.189.50.0/2474.189.51.0/2474.189.52.0/2474.189.53.0/2474.189.54.0/2474.189.55.0/2474.189.56.0/2474.189.57.0/2474.189.58.0/2474.189.59.0/2474.189.60.0/2474.189.61.0/2474.189.62.0/2474.189.63.0/24