AS7018 12.144.208.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.144.208.0/2412.144.209.0/2412.144.210.0/2412.144.211.0/2412.144.212.0/2412.144.213.0/2412.144.214.0/2412.144.215.0/24