AS7018 12.97.72.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.97.72.0/2412.97.73.0/2412.97.74.0/2412.97.75.0/2412.97.76.0/2412.97.77.0/2412.97.78.0/2412.97.79.0/24