AS7018 12.175.40.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.175.40.0/2412.175.41.0/2412.175.42.0/2412.175.43.0/2412.175.44.0/2412.175.45.0/2412.175.46.0/2412.175.47.0/24