AS7018 12.208.128.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.208.128.0/2412.208.129.0/2412.208.130.0/2412.208.131.0/2412.208.132.0/2412.208.133.0/2412.208.134.0/2412.208.135.0/24