AS7018 74.228.128.0/19 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 8190Addressable IPs: 819274.228.128.0/2474.228.129.0/2474.228.130.0/2474.228.131.0/2474.228.132.0/2474.228.133.0/2474.228.134.0/2474.228.135.0/2474.228.136.0/2474.228.137.0/2474.228.138.0/2474.228.139.0/2474.228.140.0/2474.228.141.0/2474.228.142.0/2474.228.143.0/2474.228.144.0/2474.228.145.0/2474.228.146.0/2474.228.147.0/2474.228.148.0/2474.228.149.0/2474.228.150.0/2474.228.151.0/2474.228.152.0/2474.228.153.0/2474.228.154.0/2474.228.155.0/2474.228.156.0/2474.228.157.0/2474.228.158.0/2474.228.159.0/24