AS7018 12.51.32.0/19 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 8190Addressable IPs: 819212.51.32.0/2412.51.33.0/2412.51.34.0/2412.51.35.0/2412.51.36.0/2412.51.37.0/2412.51.38.0/2412.51.39.0/2412.51.40.0/2412.51.41.0/2412.51.42.0/2412.51.43.0/2412.51.44.0/2412.51.45.0/2412.51.46.0/2412.51.47.0/2412.51.48.0/2412.51.49.0/2412.51.50.0/2412.51.51.0/2412.51.52.0/2412.51.53.0/2412.51.54.0/2412.51.55.0/2412.51.56.0/2412.51.57.0/2412.51.58.0/2412.51.59.0/2412.51.60.0/2412.51.61.0/2412.51.62.0/2412.51.63.0/24