AS7018 12.2.128.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.2.128.0/2412.2.129.0/2412.2.130.0/2412.2.131.0/2412.2.132.0/2412.2.133.0/2412.2.134.0/2412.2.135.0/24