AS7018 12.48.48.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.48.48.0/2412.48.49.0/2412.48.50.0/2412.48.51.0/2412.48.52.0/2412.48.53.0/2412.48.54.0/2412.48.55.0/24