AS7018 209.77.208.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048209.77.208.0/24209.77.209.0/24209.77.210.0/24209.77.211.0/24209.77.212.0/24209.77.213.0/24209.77.214.0/24209.77.215.0/24