diff --git a/src/main/java/li/cil/oc2/common/Constants.java b/src/main/java/li/cil/oc2/common/Constants.java
index 42cb51c1..1579c8f8 100644
--- a/src/main/java/li/cil/oc2/common/Constants.java
+++ b/src/main/java/li/cil/oc2/common/Constants.java
@@ -38,6 +38,7 @@ public final class Constants {
     public static final String TOOLTIP_ENERGY_CONSUMPTION = key("tooltip.{mod}.energyConsumption");
     public static final String TOOLTIP_CONFIRM = key("tooltip.{mod}.confirm");
     public static final String TOOLTIP_CANCEL = key("tooltip.{mod}.cancel");
+    public static final String TOOLTIP_INTERNET_DISABLED = key("tooltip.{mod}.internet.disabled");
 
     ///////////////////////////////////////////////////////////////////
 
diff --git a/src/main/java/li/cil/oc2/common/util/TooltipUtils.java b/src/main/java/li/cil/oc2/common/util/TooltipUtils.java
index ee7d512d..a5f72a77 100644
--- a/src/main/java/li/cil/oc2/common/util/TooltipUtils.java
+++ b/src/main/java/li/cil/oc2/common/util/TooltipUtils.java
@@ -6,10 +6,12 @@ import it.unimi.dsi.fastutil.ints.IntArrayList;
 import it.unimi.dsi.fastutil.ints.IntList;
 import li.cil.oc2.api.bus.device.DeviceType;
 import li.cil.oc2.api.bus.device.provider.ItemDeviceQuery;
+import li.cil.oc2.common.Config;
 import li.cil.oc2.common.Constants;
 import li.cil.oc2.common.block.EnergyConsumingBlock;
 import li.cil.oc2.common.bus.device.util.Devices;
 import li.cil.oc2.common.capabilities.Capabilities;
+import li.cil.oc2.common.item.Items;
 import li.cil.oc2.common.tags.ItemTags;
 import net.minecraft.ChatFormatting;
 import net.minecraft.client.Minecraft;
@@ -104,6 +106,12 @@ public final class TooltipUtils {
             final MutableComponent energy = withFormat(String.valueOf(energyConsumption), ChatFormatting.GREEN);
             tooltip.add(withFormat(Component.translatable(Constants.TOOLTIP_ENERGY_CONSUMPTION, energy), ChatFormatting.GRAY));
         }
+
+        if (!Config.internetCardEnabled) {
+            if (stack.getItem() == Items.INTERNET_GATEWAY.get()) {
+                tooltip.add(withFormat(new TranslatableComponent(Constants.TOOLTIP_INTERNET_DISABLED), ChatFormatting.RED));
+            }
+        }
     }
 
     public static void addBlockEntityInventoryInformation(final ItemStack stack, final List<Component> tooltip) {
diff --git a/src/main/resources/assets/oc2/lang/en_us.json b/src/main/resources/assets/oc2/lang/en_us.json
index 55d2ab7b..1fc4bb8e 100644
--- a/src/main/resources/assets/oc2/lang/en_us.json
+++ b/src/main/resources/assets/oc2/lang/en_us.json
@@ -26,6 +26,8 @@
   "block.oc2.projector.desc": "Projects images onto surfaces in front of it.",
   "block.oc2.keyboard": "Keyboard",
   "block.oc2.keyboard.desc": "Allows keyboard input when using a projector.",
+  "block.oc2.internet_gateway": "Internet Gateway",
+  "block.oc2.internet_gateway.desc": "Gives access to the Internet.",
 
   "item.oc2.wrench": "Scrench",
   "item.oc2.wrench.desc": "Configures devices and dismantles them (while sneaking).",
@@ -151,6 +153,7 @@
   "tooltip.oc2.confirm": "Confirm",
   "tooltip.oc2.cancel": "Cancel",
   "tooltip.oc2.network_tunnel_id": "Tunnel: %s",
+  "tooltip.oc2.internet.disabled": "Note that Internet access is currently disabled. It can be enabled in the mod config, but know that this is potentially unsafe. Make sure that you either thrust everyone you're playing with, or configure address whitelist properly.",
 
   "subtitles.oc2.computer": "Computer fans running",
   "subtitles.oc2.floppy": "Floppy access",