AS7018 12.191.40.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.191.40.0/2412.191.41.0/2412.191.42.0/2412.191.43.0/2412.191.44.0/2412.191.45.0/2412.191.46.0/2412.191.47.0/24