AS7018 12.203.64.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.203.64.0/2412.203.65.0/2412.203.66.0/2412.203.67.0/2412.203.68.0/2412.203.69.0/2412.203.70.0/2412.203.71.0/2412.203.72.0/2412.203.73.0/2412.203.74.0/2412.203.75.0/2412.203.76.0/2412.203.77.0/2412.203.78.0/2412.203.79.0/24