AS7018 12.9.240.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.9.240.0/2412.9.241.0/2412.9.242.0/2412.9.243.0/2412.9.244.0/2412.9.245.0/2412.9.246.0/2412.9.247.0/24