AS7018 199.186.48.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048199.186.48.0/24199.186.49.0/24199.186.50.0/24199.186.51.0/24199.186.52.0/24199.186.53.0/24199.186.54.0/24199.186.55.0/24