{ "PublicRouteTable" : {
    "Type" : "AWS::EC2::RouteTable",
    "Properties" : {
      "VpcId" : {"Ref" : "VPC"}
    }
  },

  "PublicRoute" : {
    "Type" : "AWS::EC2::Route",
    "Properties" : {
      "RouteTableId" : { "Ref" : "PublicRouteTable" },
      "DestinationCidrBlock" : "0.0.0.0/0",
      "GatewayId" : { "Ref" : "InternetGateway" }
    }
  },

  "PrivateRouteTable" : {
    "Type" : "AWS::EC2::RouteTable",
    "Properties" : {
      "VpcId" : {"Ref" : "VPC"}
    }
  },

  "PrivateRoute" : {
    "Type" : "AWS::EC2::Route",
    "Properties" : {
      "RouteTableId" : { "Ref" : "PrivateRouteTable" },
      "DestinationCidrBlock" : "0.0.0.0/0",
      "InstanceId" : { "Ref" : "NATDevice" }
    }
  }
}