diff --git a/BAC0/core/functions/Alias.py b/BAC0/core/functions/Alias.py
index 33f7c56..99b99f4 100644
--- a/BAC0/core/functions/Alias.py
+++ b/BAC0/core/functions/Alias.py
@@ -1,4 +1,5 @@
 import asyncio
+from typing import List, Tuple, Optional, Union
 
 from bacpypes3.app import Application
 from bacpypes3.pdu import Address, GlobalBroadcast
@@ -7,6 +8,11 @@
 
 from ...core.utils.notes import note_and_log
 
+ROUTER_TUPLE_TYPE = Union[
+    Tuple[Union[Address, str], Union[int, List[int]]],
+    Tuple[Union[Address, str], Union[int, List[int]], Optional[int]],
+]
+
 
 @note_and_log
 class Alias:
@@ -110,6 +116,36 @@ async def init_routing_table(self, address):
         _app: Application = _this_application.app
         await _app.nse.initialize_routing_table()
 
+    async def use_router(
+        self,
+        router_infos: Union[
+            Tuple[Union[Address, str], Union[int, List[int]]],
+            Tuple[Union[Address, str], Union[int, List[int]], Optional[int]],
+        ] = (None, None, None),
+    ):
+        address, dnets = router_infos[:2]
+        try:
+            snet = router_infos[2]
+        except IndexError:
+            snet = None
+        _this_application: BAC0Application = self.this_application
+        _app: Application = _this_application.app
+        if not isinstance(address, Address):
+            address = Address(address)
+        if not isinstance(dnets, list):
+            dnets = [dnets]
+        response = await self.who_is(address=address)
+        if response:
+            self._log.info(f"Router found at {address}")
+            self._log.info(
+                f"Adding router reference -> Snet : {snet} Addr : {address} dnets : {dnets}"
+            )
+            await _app.nsap.update_router_references(
+                snet=snet, address=address, dnets=dnets
+            )
+        else:
+            self._log.warning(f"Router not found at {address}")
+
     async def what_is_network_number(self, destination=None, timeout=3):
         """
         winn [ <addr> ]
diff --git a/BAC0/scripts/Base.py b/BAC0/scripts/Base.py
index 2ae1fc6..29efcef 100644
--- a/BAC0/scripts/Base.py
+++ b/BAC0/scripts/Base.py
@@ -78,7 +78,7 @@ class Base:
 
     def __init__(
         self,
-        localIPAddr: str = "127.0.0.1",
+        localIPAddr: Address = Address("127.0.0.1/24"),
         networkNumber: int = None,
         localObjName: str = "BAC0",
         deviceId: int = None,