AS7018 12.164.72.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.164.72.0/2412.164.73.0/2412.164.74.0/2412.164.75.0/2412.164.76.0/2412.164.77.0/2412.164.78.0/2412.164.79.0/24