AS7018 12.16.24.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.16.24.0/2412.16.25.0/2412.16.26.0/2412.16.27.0/2412.16.28.0/2412.16.29.0/2412.16.30.0/2412.16.31.0/24