AS7018 12.3.48.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.3.48.0/2412.3.49.0/2412.3.50.0/2412.3.51.0/2412.3.52.0/2412.3.53.0/2412.3.54.0/2412.3.55.0/2412.3.56.0/2412.3.57.0/2412.3.58.0/2412.3.59.0/2412.3.60.0/2412.3.61.0/2412.3.62.0/2412.3.63.0/24