AS7018 12.221.88.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.221.88.0/2412.221.89.0/2412.221.90.0/2412.221.91.0/2412.221.92.0/2412.221.93.0/2412.221.94.0/2412.221.95.0/24