AS7018 207.193.216.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048207.193.216.0/24207.193.217.0/24207.193.218.0/24207.193.219.0/24207.193.220.0/24207.193.221.0/24207.193.222.0/24207.193.223.0/24