AS7018 12.50.48.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.50.48.0/2412.50.49.0/2412.50.50.0/2412.50.51.0/2412.50.52.0/2412.50.53.0/2412.50.54.0/2412.50.55.0/2412.50.56.0/2412.50.57.0/2412.50.58.0/2412.50.59.0/2412.50.60.0/2412.50.61.0/2412.50.62.0/2412.50.63.0/24