AS7018 12.20.64.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.20.64.0/2412.20.65.0/2412.20.66.0/2412.20.67.0/2412.20.68.0/2412.20.69.0/2412.20.70.0/2412.20.71.0/2412.20.72.0/2412.20.73.0/2412.20.74.0/2412.20.75.0/2412.20.76.0/2412.20.77.0/2412.20.78.0/2412.20.79.0/24