AS7018 12.15.48.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.15.48.0/2412.15.49.0/2412.15.50.0/2412.15.51.0/2412.15.52.0/2412.15.53.0/2412.15.54.0/2412.15.55.0/2412.15.56.0/2412.15.57.0/2412.15.58.0/2412.15.59.0/2412.15.60.0/2412.15.61.0/2412.15.62.0/2412.15.63.0/24