AS7018 74.189.128.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409674.189.128.0/2474.189.129.0/2474.189.130.0/2474.189.131.0/2474.189.132.0/2474.189.133.0/2474.189.134.0/2474.189.135.0/2474.189.136.0/2474.189.137.0/2474.189.138.0/2474.189.139.0/2474.189.140.0/2474.189.141.0/2474.189.142.0/2474.189.143.0/24