AS7018 12.184.128.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.184.128.0/2412.184.129.0/2412.184.130.0/2412.184.131.0/2412.184.132.0/2412.184.133.0/2412.184.134.0/2412.184.135.0/24