AS7018 12.104.0.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.104.0.0/2412.104.1.0/2412.104.2.0/2412.104.3.0/2412.104.4.0/2412.104.5.0/2412.104.6.0/2412.104.7.0/24