AS7018 170.109.160.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048170.109.160.0/24170.109.161.0/24170.109.162.0/24170.109.163.0/24170.109.164.0/24170.109.165.0/24170.109.166.0/24170.109.167.0/24