AS7018 12.154.48.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.154.48.0/2412.154.49.0/2412.154.50.0/2412.154.51.0/2412.154.52.0/2412.154.53.0/2412.154.54.0/2412.154.55.0/2412.154.56.0/2412.154.57.0/2412.154.58.0/2412.154.59.0/2412.154.60.0/2412.154.61.0/2412.154.62.0/2412.154.63.0/24