AS7018 12.10.120.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.10.120.0/2412.10.121.0/2412.10.122.0/2412.10.123.0/2412.10.124.0/2412.10.125.0/2412.10.126.0/2412.10.127.0/24