AS7018 12.52.184.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.52.184.0/2412.52.185.0/2412.52.186.0/2412.52.187.0/2412.52.188.0/2412.52.189.0/2412.52.190.0/2412.52.191.0/24