AS7018 12.37.104.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.37.104.0/2412.37.105.0/2412.37.106.0/2412.37.107.0/2412.37.108.0/2412.37.109.0/2412.37.110.0/2412.37.111.0/24