AS7018 12.11.48.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.11.48.0/2412.11.49.0/2412.11.50.0/2412.11.51.0/2412.11.52.0/2412.11.53.0/2412.11.54.0/2412.11.55.0/2412.11.56.0/2412.11.57.0/2412.11.58.0/2412.11.59.0/2412.11.60.0/2412.11.61.0/2412.11.62.0/2412.11.63.0/24