diff --git a/src/core/nm-netns.c b/src/core/nm-netns.c
index 2fc1b58eb3..faae72670d 100644
--- a/src/core/nm-netns.c
+++ b/src/core/nm-netns.c
@@ -588,6 +588,14 @@ static const IPReservationTypeDesc ip_reservation_types[_NM_NETNS_IP_RESERVATION
             .addr_plen   = 24,
             .allow_reuse = TRUE,
         },
+    [NM_NETNS_IP_RESERVATION_TYPE_CLAT] =
+        {
+            .name        = "clat",
+            .start_addr  = 0xc0000005, /* 192.0.0.{5-7,0-4}/32 */
+            .range_plen  = 29,
+            .addr_plen   = 32,
+            .allow_reuse = FALSE,
+        },
 };
 
 NMNetnsIPReservation *
diff --git a/src/core/nm-netns.h b/src/core/nm-netns.h
index 5ddb852ad5..e32d5680aa 100644
--- a/src/core/nm-netns.h
+++ b/src/core/nm-netns.h
@@ -43,6 +43,7 @@ NML3Cfg *nm_netns_l3cfg_acquire(NMNetns *netns, int ifindex);
 
 typedef enum {
     NM_NETNS_IP_RESERVATION_TYPE_SHARED4,
+    NM_NETNS_IP_RESERVATION_TYPE_CLAT,
 
     _NM_NETNS_IP_RESERVATION_TYPE_NUM,
 } NMNetnsIPReservationType;
diff --git a/src/core/tests/test-netns.c b/src/core/tests/test-netns.c
index 26ecbcb8b8..7bcd380927 100644
--- a/src/core/tests/test-netns.c
+++ b/src/core/tests/test-netns.c
@@ -53,6 +53,44 @@ test_ip_reservation_shared4(void)
     }
 }
 
+static void
+test_ip_reservation_clat(void)
+{
+    gs_unref_object NMPlatform *platform = NULL;
+    gs_unref_object NMNetns    *netns    = NULL;
+    NMNetnsIPReservation       *res[8];
+    NMNetnsIPReservation       *res1;
+    char                        buf[NM_INET_ADDRSTRLEN];
+    guint                       i;
+
+    platform = g_object_ref(NM_PLATFORM_GET);
+    netns    = nm_netns_new(platform);
+
+    /* Allocate addresses 192.0.0.{5,6,7,0,1,2,3,4} */
+    for (i = 0; i < 8; i++) {
+        res[i] = nm_netns_ip_reservation_get(netns, NM_NETNS_IP_RESERVATION_TYPE_CLAT);
+        g_snprintf(buf, sizeof(buf), "192.0.0.%u", (i + 5) % 8);
+        nmtst_assert_ip4_address(res[i]->addr, buf);
+        g_assert_cmpint(res[i]->_ref_count, ==, 1);
+    }
+
+    /* Release an address and get it back */
+    nm_netns_ip_reservation_release(res[2]);
+    res[2] = nm_netns_ip_reservation_get(netns, NM_NETNS_IP_RESERVATION_TYPE_CLAT);
+    nmtst_assert_ip4_address(res[2]->addr, "192.0.0.7");
+
+    /* No reuse */
+    NMTST_EXPECT_NM_ERROR("netns[*]: clat: ran out of IP addresses");
+    res1 = nm_netns_ip_reservation_get(netns, NM_NETNS_IP_RESERVATION_TYPE_CLAT);
+    g_test_assert_expected_messages();
+    g_assert_null(res1);
+
+    /* Release all */
+    for (i = 0; i < 8; i++) {
+        nm_netns_ip_reservation_release(res[i]);
+    }
+}
+
 /*****************************************************************************/
 
 NMTST_DEFINE();
@@ -64,6 +102,7 @@ main(int argc, char **argv)
     nm_linux_platform_setup();
 
     g_test_add_func("/netns/ip_reservation/shared4", test_ip_reservation_shared4);
+    g_test_add_func("/netns/ip_reservation/clat", test_ip_reservation_clat);
 
     return g_test_run();
 }