diff --git a/.github/workflows/build_test.yml b/.github/workflows/build_test.yml
index 648a5af..8d7b11e 100644
--- a/.github/workflows/build_test.yml
+++ b/.github/workflows/build_test.yml
@@ -21,7 +21,7 @@ jobs:
     - name: Set up Elixir
       uses: erlef/setup-beam@v1
       with:
-        elixir-version: '1.17.0'
+        elixir-version: '1.17.2'
         otp-version: '27.0'
     - name: Restore dependencies cache
       uses: actions/cache@v4
diff --git a/lib/peridio/rat.ex b/lib/peridio/rat.ex
index d696f1c..5c02fc1 100644
--- a/lib/peridio/rat.ex
+++ b/lib/peridio/rat.ex
@@ -44,4 +44,24 @@ defmodule Peridio.RAT do
         GenServer.cast(pid, {:extend, expires_at})
     end
   end
+
+  def list_tunnels() do
+    Peridio.RAT.DynamicSupervisor
+    |> DynamicSupervisor.which_children()
+    |> Enum.map(&elem(&1, 1))
+    |> Enum.map(&{&1, Tunnel.get_state(&1)})
+    |> Enum.map(fn {pid, %Tunnel.State{id: id, interface: interface}} ->
+      {pid, id, interface}
+    end)
+  end
+
+  def get_tunnel_by_interface_id(interface_id) do
+    case Registry.select(:tunnels, [
+           {{:"$2", :"$1", :"$3"}, [{:==, {:map_get, :id, :"$3"}, interface_id}],
+            [{{:"$1", :"$2", :"$3"}}]}
+         ]) do
+      [] -> nil
+      [tunnel] -> tunnel
+    end
+  end
 end