AS7018 74.238.128.0/18 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 16382Addressable IPs: 1638474.238.128.0/2474.238.129.0/2474.238.130.0/2474.238.131.0/2474.238.132.0/2474.238.133.0/2474.238.134.0/2474.238.135.0/2474.238.136.0/2474.238.137.0/2474.238.138.0/2474.238.139.0/2474.238.140.0/2474.238.141.0/2474.238.142.0/2474.238.143.0/2474.238.144.0/2474.238.145.0/2474.238.146.0/2474.238.147.0/2474.238.148.0/2474.238.149.0/2474.238.150.0/2474.238.151.0/2474.238.152.0/2474.238.153.0/2474.238.154.0/2474.238.155.0/2474.238.156.0/2474.238.157.0/2474.238.158.0/2474.238.159.0/2474.238.160.0/2474.238.161.0/2474.238.162.0/2474.238.163.0/2474.238.164.0/2474.238.165.0/2474.238.166.0/2474.238.167.0/2474.238.168.0/2474.238.169.0/2474.238.170.0/2474.238.171.0/2474.238.172.0/2474.238.173.0/2474.238.174.0/2474.238.175.0/2474.238.176.0/2474.238.177.0/2474.238.178.0/2474.238.179.0/2474.238.180.0/2474.238.181.0/2474.238.182.0/2474.238.183.0/2474.238.184.0/2474.238.185.0/2474.238.186.0/2474.238.187.0/2474.238.188.0/2474.238.189.0/2474.238.190.0/2474.238.191.0/24