AS7018 209.233.16.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 4096209.233.16.0/24209.233.17.0/24209.233.18.0/24209.233.19.0/24209.233.20.0/24209.233.21.0/24209.233.22.0/24209.233.23.0/24209.233.24.0/24209.233.25.0/24209.233.26.0/24209.233.27.0/24209.233.28.0/24209.233.29.0/24209.233.30.0/24209.233.31.0/24