AS7018 12.166.48.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.166.48.0/2412.166.49.0/2412.166.50.0/2412.166.51.0/2412.166.52.0/2412.166.53.0/2412.166.54.0/2412.166.55.0/24