AS7018 12.18.24.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.18.24.0/2412.18.25.0/2412.18.26.0/2412.18.27.0/2412.18.28.0/2412.18.29.0/2412.18.30.0/2412.18.31.0/24