AS7018 12.147.184.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.147.184.0/2412.147.185.0/2412.147.186.0/2412.147.187.0/2412.147.188.0/2412.147.189.0/2412.147.190.0/2412.147.191.0/24