diff --git a/xos/core/models/network.py b/xos/core/models/network.py
index 8dd0b17..ccc248c 100644
--- a/xos/core/models/network.py
+++ b/xos/core/models/network.py
@@ -340,6 +340,7 @@
 class AddressPool(PlCoreBase):
     name = models.CharField(max_length=32)
     addresses = models.TextField(blank=True, null=True)
+    inuse = models.TextField(blank=True, null=True)
 
     def __unicode__(self): return u'%s' % (self.name)