AS7018 12.30.144.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.30.144.0/2412.30.145.0/2412.30.146.0/2412.30.147.0/2412.30.148.0/2412.30.149.0/2412.30.150.0/2412.30.151.0/24