Lookup of 104.198.15.12
IP address: 104.198.15.12
Address type: IPv4
Host or reverse DNS (rDNS): 12.15.198.104.bc.googleusercontent.com
Country: 
United States
104.198.15.12 does NOT belong to a private IP address block.
104.198.15.12 does NOT belong to a reserved IP address block.