AS7018 12.216.48.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.216.48.0/2412.216.49.0/2412.216.50.0/2412.216.51.0/2412.216.52.0/2412.216.53.0/2412.216.54.0/2412.216.55.0/24