AS7018 12.71.64.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.71.64.0/2412.71.65.0/2412.71.66.0/2412.71.67.0/2412.71.68.0/2412.71.69.0/2412.71.70.0/2412.71.71.0/24