AS7018 209.184.40.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048209.184.40.0/24209.184.41.0/24209.184.42.0/24209.184.43.0/24209.184.44.0/24209.184.45.0/24209.184.46.0/24209.184.47.0/24