AS7018 12.146.48.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.146.48.0/2412.146.49.0/2412.146.50.0/2412.146.51.0/2412.146.52.0/2412.146.53.0/2412.146.54.0/2412.146.55.0/2412.146.56.0/2412.146.57.0/2412.146.58.0/2412.146.59.0/2412.146.60.0/2412.146.61.0/2412.146.62.0/2412.146.63.0/24