AS7018 74.236.128.0/19 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 8190Addressable IPs: 819274.236.128.0/2474.236.129.0/2474.236.130.0/2474.236.131.0/2474.236.132.0/2474.236.133.0/2474.236.134.0/2474.236.135.0/2474.236.136.0/2474.236.137.0/2474.236.138.0/2474.236.139.0/2474.236.140.0/2474.236.141.0/2474.236.142.0/2474.236.143.0/2474.236.144.0/2474.236.145.0/2474.236.146.0/2474.236.147.0/2474.236.148.0/2474.236.149.0/2474.236.150.0/2474.236.151.0/2474.236.152.0/2474.236.153.0/2474.236.154.0/2474.236.155.0/2474.236.156.0/2474.236.157.0/2474.236.158.0/2474.236.159.0/24