<td></td>
</tr>
<tr bgcolor=CornsilkSlateGrey>
<td>17</td>
<td>reserved for FIXME-NAT</td> <td>DON'T USE!</td>
</tr>
<tr bgcolor=FloralWhiteLightSlateGrey>
<td>18</td>
<td>reserved for FIXME-PUBLIC</td> <td>DON'T USE!</td>
</tr>
<tr bgcolor=SlateGrey>