ip : affichage last ping

services/admin.py

@@ -257,8 +257,8 @@ class IPResourceAdmin(admin.ModelAdmin):
         ('prefixes', admin.RelatedOnlyFieldListFilter),
         RouteFilter,
     )
-    fields = ('ip', 'reserved', 'notes')
-    readonly_fields = ('ip', 'reserved',)
+    fields = ('ip', 'reserved', 'last_ping', 'notes')
+    readonly_fields = ('ip', 'reserved', 'last_ping',)
     search_fields = ('=ip', 'notes',)
 
     def get_inline_instances(self, request, obj=None):