AS7018 12.52.48.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.52.48.0/2412.52.49.0/2412.52.50.0/2412.52.51.0/2412.52.52.0/2412.52.53.0/2412.52.54.0/2412.52.55.0/2412.52.56.0/2412.52.57.0/2412.52.58.0/2412.52.59.0/2412.52.60.0/2412.52.61.0/2412.52.62.0/2412.52.63.0/24