AS7018 12.152.240.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.152.240.0/2412.152.241.0/2412.152.242.0/2412.152.243.0/2412.152.244.0/2412.152.245.0/2412.152.246.0/2412.152.247.0/24