AS7018 12.40.104.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.40.104.0/2412.40.105.0/2412.40.106.0/2412.40.107.0/2412.40.108.0/2412.40.109.0/2412.40.110.0/2412.40.111.0/24