AS7018 12.41.56.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.41.56.0/2412.41.57.0/2412.41.58.0/2412.41.59.0/2412.41.60.0/2412.41.61.0/2412.41.62.0/2412.41.63.0/24