AS7018 216.103.232.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048216.103.232.0/24216.103.233.0/24216.103.234.0/24216.103.235.0/24216.103.236.0/24216.103.237.0/24216.103.238.0/24216.103.239.0/24