AS7018 12.29.128.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.29.128.0/2412.29.129.0/2412.29.130.0/2412.29.131.0/2412.29.132.0/2412.29.133.0/2412.29.134.0/2412.29.135.0/2412.29.136.0/2412.29.137.0/2412.29.138.0/2412.29.139.0/2412.29.140.0/2412.29.141.0/2412.29.142.0/2412.29.143.0/24