AS7018 12.3.120.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.3.120.0/2412.3.121.0/2412.3.122.0/2412.3.123.0/2412.3.124.0/2412.3.125.0/2412.3.126.0/2412.3.127.0/24