diff --git a/xos/configurations/cord/cord.yaml b/xos/configurations/cord/cord.yaml
index df13312..ec2cd6f 100644
--- a/xos/configurations/cord/cord.yaml
+++ b/xos/configurations/cord/cord.yaml
@@ -24,6 +24,11 @@
           view_url: /admin/cord/voltservice/$id$/
           kind: vOLT
 
+    public_addresses:
+      type: tosca.nodes.AddressPool
+      properties:
+          addresses: 10.123.0.0/24 10.124.0.0/24
+
     service_vsg:
       type: tosca.nodes.VSGService
       requirements:
diff --git a/xos/core/models/__init__.py b/xos/core/models/__init__.py
index a022cae..628a3bb 100644
--- a/xos/core/models/__init__.py
+++ b/xos/core/models/__init__.py
@@ -26,7 +26,7 @@
 from .instance import Instance
 from .reservation import ReservedResource
 from .reservation import Reservation
-from .network import Network, NetworkParameterType, NetworkParameter, Port, NetworkTemplate, Router, NetworkSlice, ControllerNetwork
+from .network import Network, NetworkParameterType, NetworkParameter, Port, NetworkTemplate, Router, NetworkSlice, ControllerNetwork, AddressPool
 from .billing import Account, Invoice, Charge, UsableObject, Payment
 from .program import Program
 
diff --git a/xos/core/models/network.py b/xos/core/models/network.py
index a019091..8dd0b17 100644
--- a/xos/core/models/network.py
+++ b/xos/core/models/network.py
@@ -337,4 +337,30 @@
     def __unicode__(self):
         return self.parameter.name
 
+class AddressPool(PlCoreBase):
+    name = models.CharField(max_length=32)
+    addresses = models.TextField(blank=True, null=True)
+
+    def __unicode__(self): return u'%s' % (self.name)
+
+    def get_address(self):
+        with transaction.atomic():
+            ap = AddressPool.objects.get(pk=self.pk)
+            if ap.addresses:
+                parts = ap.addresses.split()
+                addr = parts.pop()
+                ap.addresses = " ".join(parts)
+                ap.save()
+            else:
+                addr = None
+        return addr
+
+    def put_address(self, addr):
+        with transaction.atomic():
+            ap = AddressPool.objects.get(pk=self.pk)
+            parts = ap.address.split()
+            if addr not in parts:
+                parts.push(addr)
+                ap.addresses = " ".join(parts)
+                ap.save()
 
diff --git a/xos/tosca/custom_types/xos.m4 b/xos/tosca/custom_types/xos.m4
index 92f8cc1..c9cea49 100644
--- a/xos/tosca/custom_types/xos.m4
+++ b/xos/tosca/custom_types/xos.m4
@@ -522,6 +522,17 @@
                 required: false
                 description: Comma-separated list of flavors that this deployment supports.
 
+    tosca.nodes.AddressPool:
+        derived_from: tosca.nodes.Root
+        description: >
+            A pool of addresses
+        properties:
+            xos_base_props
+            addresses:
+                type: string
+                required: false
+                description: space-separated list of addresses
+
     tosca.nodes.Image:
         derived_from: tosca.nodes.Root
         description: >
diff --git a/xos/tosca/custom_types/xos.yaml b/xos/tosca/custom_types/xos.yaml
index dfb9481..ce8a1ac 100644
--- a/xos/tosca/custom_types/xos.yaml
+++ b/xos/tosca/custom_types/xos.yaml
@@ -160,7 +160,7 @@
             no_container:
                 type: boolean
                 default: false
-            key_fn:
+            node_key:
                 type: string
                 required: false
 
@@ -746,6 +746,28 @@
                 required: false
                 description: Comma-separated list of flavors that this deployment supports.
 
+    tosca.nodes.AddressPool:
+        derived_from: tosca.nodes.Root
+        description: >
+            A pool of addresses
+        properties:
+            no-delete:
+                type: boolean
+                default: false
+                description: Do not allow Tosca to delete this object
+            no-create:
+                type: boolean
+                default: false
+                description: Do not allow Tosca to create this object
+            no-update:
+                type: boolean
+                default: false
+                description: Do not allow Tosca to update this object
+            addresses:
+                type: string
+                required: false
+                description: space-separated list of addresses
+
     tosca.nodes.Image:
         derived_from: tosca.nodes.Root
         description: >
diff --git a/xos/tosca/resources/addresspool.py b/xos/tosca/resources/addresspool.py
new file mode 100644
index 0000000..e8577a2
--- /dev/null
+++ b/xos/tosca/resources/addresspool.py
@@ -0,0 +1,53 @@
+import os
+import pdb
+import socket
+import sys
+import struct
+import tempfile
+sys.path.append("/opt/tosca")
+from translator.toscalib.tosca_template import ToscaTemplate
+
+from core.models import AddressPool
+
+from xosresource import XOSResource
+
+class XOSAddressPool(XOSResource):
+    provides = "tosca.nodes.AddressPool"
+    xos_model = AddressPool
+    copyin_props = ["addresses"]
+
+    def expand_cidr(self, cidr):
+        (network, bits) = cidr.split("/")
+        network=network.strip()
+        bits=int(bits.strip())
+
+        dest = []
+
+        netmask = (~(pow(2,32-bits)-1) & 0xFFFFFFFF)
+
+        count = pow(2, 32-bits)
+        for i in range(2, count-1):
+            ip = struct.unpack("!L", socket.inet_aton(network))[0]
+            ip = ip & netmask | i
+            dest.append( socket.inet_ntoa(struct.pack("!L", ip)) )
+
+        return dest
+
+    def get_xos_args(self):
+        args = super(XOSAddressPool, self).get_xos_args()
+
+        if "addresses" in args:
+            dest = []
+            for addr in args["addresses"].split():
+                addr=addr.strip()
+                if "/" in addr:
+                    dest.extend(self.expand_cidr(addr))
+                else:
+                    dest.append(addr)
+            args["addresses"] = " ".join(dest)
+
+        return args
+
+
+
+