AS7018 12.27.0.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.27.0.0/2412.27.1.0/2412.27.2.0/2412.27.3.0/2412.27.4.0/2412.27.5.0/2412.27.6.0/2412.27.7.0/24