AS7018 12.215.184.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.215.184.0/2412.215.185.0/2412.215.186.0/2412.215.187.0/2412.215.188.0/2412.215.189.0/2412.215.190.0/2412.215.191.0/24