AS7018 209.184.0.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048209.184.0.0/24209.184.1.0/24209.184.2.0/24209.184.3.0/24209.184.4.0/24209.184.5.0/24209.184.6.0/24209.184.7.0/24