AS7018 12.171.64.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.171.64.0/2412.171.65.0/2412.171.66.0/2412.171.67.0/2412.171.68.0/2412.171.69.0/2412.171.70.0/2412.171.71.0/2412.171.72.0/2412.171.73.0/2412.171.74.0/2412.171.75.0/2412.171.76.0/2412.171.77.0/2412.171.78.0/2412.171.79.0/24