AS7018 209.233.240.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048209.233.240.0/24209.233.241.0/24209.233.242.0/24209.233.243.0/24209.233.244.0/24209.233.245.0/24209.233.246.0/24209.233.247.0/24