AS7018 12.229.72.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.229.72.0/2412.229.73.0/2412.229.74.0/2412.229.75.0/2412.229.76.0/2412.229.77.0/2412.229.78.0/2412.229.79.0/24