AS7018 216.100.208.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 4096216.100.208.0/24216.100.209.0/24216.100.210.0/24216.100.211.0/24216.100.212.0/24216.100.213.0/24216.100.214.0/24216.100.215.0/24216.100.216.0/24216.100.217.0/24216.100.218.0/24216.100.219.0/24216.100.220.0/24216.100.221.0/24216.100.222.0/24216.100.223.0/24