AS7018 12.174.48.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.174.48.0/2412.174.49.0/2412.174.50.0/2412.174.51.0/2412.174.52.0/2412.174.53.0/2412.174.54.0/2412.174.55.0/24