AS7018 12.184.240.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.184.240.0/2412.184.241.0/2412.184.242.0/2412.184.243.0/2412.184.244.0/2412.184.245.0/2412.184.246.0/2412.184.247.0/24