AS7018 12.215.128.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.215.128.0/2412.215.129.0/2412.215.130.0/2412.215.131.0/2412.215.132.0/2412.215.133.0/2412.215.134.0/2412.215.135.0/24