AS7018 74.238.224.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409674.238.224.0/2474.238.225.0/2474.238.226.0/2474.238.227.0/2474.238.228.0/2474.238.229.0/2474.238.230.0/2474.238.231.0/2474.238.232.0/2474.238.233.0/2474.238.234.0/2474.238.235.0/2474.238.236.0/2474.238.237.0/2474.238.238.0/2474.238.239.0/24