AS7018 12.19.80.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.19.80.0/2412.19.81.0/2412.19.82.0/2412.19.83.0/2412.19.84.0/2412.19.85.0/2412.19.86.0/2412.19.87.0/24