AS7018 209.215.40.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048209.215.40.0/24209.215.41.0/24209.215.42.0/24209.215.43.0/24209.215.44.0/24209.215.45.0/24209.215.46.0/24209.215.47.0/24