AS7018 12.176.184.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.176.184.0/2412.176.185.0/2412.176.186.0/2412.176.187.0/2412.176.188.0/2412.176.189.0/2412.176.190.0/2412.176.191.0/24