AS7018 12.97.136.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.97.136.0/2412.97.137.0/2412.97.138.0/2412.97.139.0/2412.97.140.0/2412.97.141.0/2412.97.142.0/2412.97.143.0/24