AS7018 12.197.104.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.197.104.0/2412.197.105.0/2412.197.106.0/2412.197.107.0/2412.197.108.0/2412.197.109.0/2412.197.110.0/2412.197.111.0/24