AS7018 12.175.128.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.175.128.0/2412.175.129.0/2412.175.130.0/2412.175.131.0/2412.175.132.0/2412.175.133.0/2412.175.134.0/2412.175.135.0/24