AS7018 12.151.232.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.151.232.0/2412.151.233.0/2412.151.234.0/2412.151.235.0/2412.151.236.0/2412.151.237.0/2412.151.238.0/2412.151.239.0/24