AS7018 209.37.160.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048209.37.160.0/24209.37.161.0/24209.37.162.0/24209.37.163.0/24209.37.164.0/24209.37.165.0/24209.37.166.0/24209.37.167.0/24