AS7018 12.43.48.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.43.48.0/2412.43.49.0/2412.43.50.0/2412.43.51.0/2412.43.52.0/2412.43.53.0/2412.43.54.0/2412.43.55.0/2412.43.56.0/2412.43.57.0/2412.43.58.0/2412.43.59.0/2412.43.60.0/2412.43.61.0/2412.43.62.0/2412.43.63.0/24