AS7018 209.215.16.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 4096209.215.16.0/24209.215.17.0/24209.215.18.0/24209.215.19.0/24209.215.20.0/24209.215.21.0/24209.215.22.0/24209.215.23.0/24209.215.24.0/24209.215.25.0/24209.215.26.0/24209.215.27.0/24209.215.28.0/24209.215.29.0/24209.215.30.0/24209.215.31.0/24