AS7018 12.187.24.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.187.24.0/2412.187.25.0/2412.187.26.0/2412.187.27.0/2412.187.28.0/2412.187.29.0/2412.187.30.0/2412.187.31.0/24