AS7018 209.77.192.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048209.77.192.0/24209.77.193.0/24209.77.194.0/24209.77.195.0/24209.77.196.0/24209.77.197.0/24209.77.198.0/24209.77.199.0/24