AS7018 154.214.16.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048154.214.16.0/24154.214.17.0/24154.214.18.0/24154.214.19.0/24154.214.20.0/24154.214.21.0/24154.214.22.0/24154.214.23.0/24