diff --git a/spinn_machine/machine.py b/spinn_machine/machine.py
index 081c497d..fa422fcf 100644
--- a/spinn_machine/machine.py
+++ b/spinn_machine/machine.py
@@ -717,6 +717,13 @@ def ethernet_connected_chips(self) -> Sequence[Chip]:
         """
         return self._ethernet_connected_chips
 
+    @property
+    def n_ethernet_connected_chips(self) -> int:
+        """
+        The number of ethernet conencted chips in the machine.
+        """
+        return len(self._ethernet_connected_chips)
+
     @property
     def spinnaker_links(self) -> Iterator[
             Tuple[_SpinLinkKey, SpinnakerLinkData]]: