diff --git a/xos/attic/vroutertenant_model.py b/xos/attic/vroutertenant_model.py
new file mode 100644
index 0000000..7fde19d
--- /dev/null
+++ b/xos/attic/vroutertenant_model.py
@@ -0,0 +1,38 @@
+@property
+def gateway_ip(self):
+    if not self.address_pool:
+        return None
+    return self.address_pool.gateway_ip
+
+@property
+def gateway_mac(self):
+    if not self.address_pool:
+        return None
+    return self.address_pool.gateway_mac
+
+@property
+def cidr(self):
+    if not self.address_pool:
+        return None
+    return self.address_pool.cidr
+
+@property
+def netbits(self):
+    # return number of bits in the network portion of the cidr
+    if self.cidr:
+        parts = self.cidr.split("/")
+        if len(parts) == 2:
+            return int(parts[1].strip())
+    return None
+
+def cleanup_addresspool(self):
+    if self.address_pool:
+        ap = self.address_pool
+        if ap:
+            ap[0].put_address(self.public_ip)
+            self.public_ip = None
+
+def delete(self, *args, **kwargs):
+    self.cleanup_addresspool()
+    super(VRouterTenant, self).delete(*args, **kwargs)
+