AS7018 12.24.144.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.24.144.0/2412.24.145.0/2412.24.146.0/2412.24.147.0/2412.24.148.0/2412.24.149.0/2412.24.150.0/2412.24.151.0/24