AS7018 12.71.120.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.71.120.0/2412.71.121.0/2412.71.122.0/2412.71.123.0/2412.71.124.0/2412.71.125.0/2412.71.126.0/2412.71.127.0/24