diff --git a/lib/vagrant-lxc/plugin.rb b/lib/vagrant-lxc/plugin.rb
index bb29817..f489773 100644
--- a/lib/vagrant-lxc/plugin.rb
+++ b/lib/vagrant-lxc/plugin.rb
@@ -30,6 +30,13 @@ module Vagrant
           SyncedFolder
         end
       end
+
+      if Vagrant::Backports.vagrant_1_5_or_later?
+        provider_capability("lxc", "public_address") do
+          require_relative "provider/cap/public_address"
+          Provider::Cap::PublicAddress
+        end
+      end
     end
   end
 end
diff --git a/lib/vagrant-lxc/provider/cap/public_address.rb b/lib/vagrant-lxc/provider/cap/public_address.rb
new file mode 100644
index 0000000..1c8fc8a
--- /dev/null
+++ b/lib/vagrant-lxc/provider/cap/public_address.rb
@@ -0,0 +1,17 @@
+module Vagrant
+  module LXC
+    class Provider
+      module Cap
+        module PublicAddress
+          def self.public_address(machine)
+            return nil if machine.state.id != :running
+
+            ssh_info = machine.ssh_info
+            return nil if !ssh_info
+            ssh_info[:host]
+          end
+        end
+      end
+    end
+  end
+end