AS7018 12.220.120.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.220.120.0/2412.220.121.0/2412.220.122.0/2412.220.123.0/2412.220.124.0/2412.220.125.0/2412.220.126.0/2412.220.127.0/24