AS7018 68.209.216.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204868.209.216.0/2468.209.217.0/2468.209.218.0/2468.209.219.0/2468.209.220.0/2468.209.221.0/2468.209.222.0/2468.209.223.0/24