AS7018 12.30.176.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.30.176.0/2412.30.177.0/2412.30.178.0/2412.30.179.0/2412.30.180.0/2412.30.181.0/2412.30.182.0/2412.30.183.0/24