AS7018 12.133.48.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.133.48.0/2412.133.49.0/2412.133.50.0/2412.133.51.0/2412.133.52.0/2412.133.53.0/2412.133.54.0/2412.133.55.0/2412.133.56.0/2412.133.57.0/2412.133.58.0/2412.133.59.0/2412.133.60.0/2412.133.61.0/2412.133.62.0/2412.133.63.0/24