diff --git a/api/bases/baremetal.openstack.org_openstackbaremetalsets.yaml b/api/bases/baremetal.openstack.org_openstackbaremetalsets.yaml
index 26ad150..1a620f3 100644
--- a/api/bases/baremetal.openstack.org_openstackbaremetalsets.yaml
+++ b/api/bases/baremetal.openstack.org_openstackbaremetalsets.yaml
@@ -70,7 +70,7 @@ spec:
                   description: InstanceSpec Instance specific attributes
                   properties:
                     ctlPlaneIP:
-                      description: CtlPlaneIP - Control Plane IP
+                      description: CtlPlaneIP - Control Plane IP in CIDR notation
                       type: string
                     networkData:
                       description: NetworkData - Host Network Data
diff --git a/api/v1beta1/openstackbaremetalset_types.go b/api/v1beta1/openstackbaremetalset_types.go
index e2641b2..6b00809 100644
--- a/api/v1beta1/openstackbaremetalset_types.go
+++ b/api/v1beta1/openstackbaremetalset_types.go
@@ -29,7 +29,7 @@ type AutomatedCleaningMode string
 // InstanceSpec Instance specific attributes
 type InstanceSpec struct {
 	// +kubebuilder:validation:Optional
-	// CtlPlaneIP - Control Plane IP
+	// CtlPlaneIP - Control Plane IP in CIDR notation
 	CtlPlaneIP string `json:"ctlPlaneIP"`
 	// +kubebuilder:validation:Optional
 	// UserData - Host User Data
diff --git a/config/crd/bases/baremetal.openstack.org_openstackbaremetalsets.yaml b/config/crd/bases/baremetal.openstack.org_openstackbaremetalsets.yaml
index 26ad150..1a620f3 100644
--- a/config/crd/bases/baremetal.openstack.org_openstackbaremetalsets.yaml
+++ b/config/crd/bases/baremetal.openstack.org_openstackbaremetalsets.yaml
@@ -70,7 +70,7 @@ spec:
                   description: InstanceSpec Instance specific attributes
                   properties:
                     ctlPlaneIP:
-                      description: CtlPlaneIP - Control Plane IP
+                      description: CtlPlaneIP - Control Plane IP in CIDR notation
                       type: string
                     networkData:
                       description: NetworkData - Host Network Data
diff --git a/config/samples/baremetal_v1beta1_openstackbaremetalset.yaml b/config/samples/baremetal_v1beta1_openstackbaremetalset.yaml
index 0cdfed1..85d0324 100644
--- a/config/samples/baremetal_v1beta1_openstackbaremetalset.yaml
+++ b/config/samples/baremetal_v1beta1_openstackbaremetalset.yaml
@@ -6,8 +6,8 @@ spec:
   # Define how many BaremetalHosts are desired to be provisioned and assign
   # a control plane IP to them
   baremetalHosts:
-    compute-0: 172.22.0.100
-    compute-1: 172.22.0.101
+    compute-0: 172.22.0.100/24
+    compute-1: 172.22.0.101/24
   # The image to install on the provisioned nodes
   osImage: edpm-hardened-uefi.qcow2
   # provisionServerName: openstack  # uncomment if you pre-deploy a separate OsProvServer (use its name for the value)
@@ -17,7 +17,6 @@ spec:
   # The interface on the nodes that will be assigned an IP from the mgmtCidr
   ctlplaneInterface: enp1s0
   ctlplaneGateway: 172.22.0.3
-  ctlplaneNetmask: 255.255.255.0
   # An optional secret holding a data entry called "NodeRootPassword"
   # This will be set as the root password on all provisioned BaremetalHosts
   passwordSecret: baremetalset-password-secret
diff --git a/pkg/openstackbaremetalset/baremetalhost.go b/pkg/openstackbaremetalset/baremetalhost.go
index 22a8a0b..13d4e9a 100644
--- a/pkg/openstackbaremetalset/baremetalhost.go
+++ b/pkg/openstackbaremetalset/baremetalhost.go
@@ -3,6 +3,7 @@ package openstackbaremetalset
 import (
 	"context"
 	"fmt"
+	"net"
 	"strings"
 
 	metal3v1 "github.com/metal3-io/baremetal-operator/apis/metal3.io/v1alpha1"
@@ -99,11 +100,39 @@ func BaremetalHostProvision(
 	}
 
 	if networkDataSecret == nil {
+
+		// Check IP version and set template variables accordingly
+		ipAddr, ipNet, err := net.ParseCIDR(ctlPlaneIP)
+		if err != nil {
+			// TODO: Remove this conversion once all usage sets ctlPlaneIP in CIDR format.
+			ipAddr = net.ParseIP(ctlPlaneIP)
+			if ipAddr == nil {
+				return err
+			}
+
+			var ipPrefix int
+			if ipAddr.To4() != nil {
+				ipPrefix, _ = net.IPMask(net.ParseIP(instance.Spec.CtlplaneNetmask).To4()).Size()
+			} else {
+				ipPrefix, _ = net.IPMask(net.ParseIP(instance.Spec.CtlplaneNetmask).To16()).Size()
+			}
+			_, ipNet, err = net.ParseCIDR(fmt.Sprintf("%s/%d", ipAddr, ipPrefix))
+			if err != nil {
+				return err
+			}
+		}
+
+		CtlplaneIPVersion := "ipv6"
+		if ipAddr.To4() != nil {
+			CtlplaneIPVersion = "ipv4"
+		}
+
 		templateParameters := make(map[string]interface{})
-		templateParameters["CtlplaneIp"] = ctlPlaneIP
+		templateParameters["CtlplaneIpVersion"] = CtlplaneIPVersion
+		templateParameters["CtlplaneIp"] = ipAddr
 		templateParameters["CtlplaneInterface"] = instance.Spec.CtlplaneInterface
 		templateParameters["CtlplaneGateway"] = instance.Spec.CtlplaneGateway
-		templateParameters["CtlplaneNetmask"] = instance.Spec.CtlplaneNetmask
+		templateParameters["CtlplaneNetmask"] = net.IP(ipNet.Mask)
 		if len(instance.Spec.BootstrapDNS) > 0 {
 			templateParameters["CtlplaneDns"] = instance.Spec.BootstrapDNS
 		} else {
diff --git a/templates/openstackbaremetalset/cloudinit/networkdata b/templates/openstackbaremetalset/cloudinit/networkdata
index ff22756..6a27819 100644
--- a/templates/openstackbaremetalset/cloudinit/networkdata
+++ b/templates/openstackbaremetalset/cloudinit/networkdata
@@ -3,13 +3,16 @@ links:
   id: {{ .CtlplaneInterface }}
   type: vif
 networks:
-- netmask: {{ .CtlplaneNetmask }}
-  link: {{ .CtlplaneInterface }}
+- link: {{ .CtlplaneInterface }}
   id: {{ .CtlplaneInterface }}
+  type: {{ .CtlplaneIpVersion }}
   ip_address: {{ .CtlplaneIp }}
-  type: ipv4
+  netmask: {{ .CtlplaneNetmask }}
 {{- if (index . "CtlplaneGateway") }}
-  gateway: {{ .CtlplaneGateway }}
+  routes:
+  - network: {{ if eq .CtlplaneIpVersion "ipv6" }}::{{ else }}0.0.0.0{{ end }}
+    netmask: {{ if eq .CtlplaneIpVersion "ipv6" }}::{{ else }}0.0.0.0{{ end }}
+    gateway: {{ .CtlplaneGateway }}
 {{- end }}
 {{- if not (eq (len .CtlplaneDns) 0) }}
 services: