AS7018 12.53.80.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.53.80.0/2412.53.81.0/2412.53.82.0/2412.53.83.0/2412.53.84.0/2412.53.85.0/2412.53.86.0/2412.53.87.0/24