AS7018 12.68.40.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.68.40.0/2412.68.41.0/2412.68.42.0/2412.68.43.0/2412.68.44.0/2412.68.45.0/2412.68.46.0/2412.68.47.0/24