diff --git a/modules/device/networks.tf b/modules/device/networks.tf
new file mode 100644
index 0000000..d7fe2ef
--- /dev/null
+++ b/modules/device/networks.tf
@@ -0,0 +1,29 @@
+resource "netbox_vrf" "local" {
+  name = var.name
+}
+
+resource "netbox_prefix" "local_v4" {
+  vrf_id = netbox_vrf.local.id
+  prefix = var.client_prefix_v4
+  status = "active"
+}
+
+resource "netbox_prefix" "networks_v4" {
+  for_each = netbox_vlan.networks
+
+  vrf_id = netbox_vrf.local.id
+  prefix = cidrsubnet(var.client_prefix_v4, 8, each.value.vid)
+
+  status      = "active"
+  description = "'${each.value.name}' network for ${var.name}"
+}
+
+resource "netbox_prefix" "networks_v6" {
+  for_each = netbox_vlan.networks
+
+  vrf_id = netbox_vrf.local.id
+  prefix = cidrsubnet(netbox_available_prefix.site_v6.prefix, 8, each.value.vid)
+
+  status      = "active"
+  description = "'${each.value.name}' network for ${var.name}"
+}
diff --git a/modules/device/variables.tf b/modules/device/variables.tf
index 20f1c63..29f9c00 100644
--- a/modules/device/variables.tf
+++ b/modules/device/variables.tf
@@ -55,3 +55,9 @@ variable "site_id" {
   type        = number
   description = "Netbox ID of the site"
 }
+
+variable "client_prefix_v4" {
+  type        = string
+  description = "private network to assign client subnets from"
+  default     = "10.0.0.0/8"
+}