AS7018 216.103.8.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048216.103.8.0/24216.103.9.0/24216.103.10.0/24216.103.11.0/24216.103.12.0/24216.103.13.0/24216.103.14.0/24216.103.15.0/24