AS7018 12.50.0.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.50.0.0/2412.50.1.0/2412.50.2.0/2412.50.3.0/2412.50.4.0/2412.50.5.0/2412.50.6.0/2412.50.7.0/24