AS7018 70.244.72.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204870.244.72.0/2470.244.73.0/2470.244.74.0/2470.244.75.0/2470.244.76.0/2470.244.77.0/2470.244.78.0/2470.244.79.0/24