AS7018 12.235.16.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.235.16.0/2412.235.17.0/2412.235.18.0/2412.235.19.0/2412.235.20.0/2412.235.21.0/2412.235.22.0/2412.235.23.0/2412.235.24.0/2412.235.25.0/2412.235.26.0/2412.235.27.0/2412.235.28.0/2412.235.29.0/2412.235.30.0/2412.235.31.0/24