AS7018 12.27.72.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.27.72.0/2412.27.73.0/2412.27.74.0/2412.27.75.0/2412.27.76.0/2412.27.77.0/2412.27.78.0/2412.27.79.0/24