AS7018 12.217.104.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.217.104.0/2412.217.105.0/2412.217.106.0/2412.217.107.0/2412.217.108.0/2412.217.109.0/2412.217.110.0/2412.217.111.0/24