AS7018 199.186.40.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048199.186.40.0/24199.186.41.0/24199.186.42.0/24199.186.43.0/24199.186.44.0/24199.186.45.0/24199.186.46.0/24199.186.47.0/24