AS7018 12.105.176.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.105.176.0/2412.105.177.0/2412.105.178.0/2412.105.179.0/2412.105.180.0/2412.105.181.0/2412.105.182.0/2412.105.183.0/24