AS7018 12.198.48.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.198.48.0/2412.198.49.0/2412.198.50.0/2412.198.51.0/2412.198.52.0/2412.198.53.0/2412.198.54.0/2412.198.55.0/24