AS7018 216.78.200.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048216.78.200.0/24216.78.201.0/24216.78.202.0/24216.78.203.0/24216.78.204.0/24216.78.205.0/24216.78.206.0/24216.78.207.0/24