AS7018 12.28.88.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.28.88.0/2412.28.89.0/2412.28.90.0/2412.28.91.0/2412.28.92.0/2412.28.93.0/2412.28.94.0/2412.28.95.0/24