AS7018 12.8.240.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.8.240.0/2412.8.241.0/2412.8.242.0/2412.8.243.0/2412.8.244.0/2412.8.245.0/2412.8.246.0/2412.8.247.0/24