AS7018 12.151.0.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.151.0.0/2412.151.1.0/2412.151.2.0/2412.151.3.0/2412.151.4.0/2412.151.5.0/2412.151.6.0/2412.151.7.0/24