AS7018 12.105.72.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.105.72.0/2412.105.73.0/2412.105.74.0/2412.105.75.0/2412.105.76.0/2412.105.77.0/2412.105.78.0/2412.105.79.0/24