AS7018 12.207.144.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.207.144.0/2412.207.145.0/2412.207.146.0/2412.207.147.0/2412.207.148.0/2412.207.149.0/2412.207.150.0/2412.207.151.0/24