AS7018 12.222.72.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.222.72.0/2412.222.73.0/2412.222.74.0/2412.222.75.0/2412.222.76.0/2412.222.77.0/2412.222.78.0/2412.222.79.0/24