diff --git a/net-config-standalone.j2.yaml b/net-config-standalone.j2.yaml
index d0d183398d..7f1c4860df 100644
--- a/net-config-standalone.j2.yaml
+++ b/net-config-standalone.j2.yaml
@@ -135,7 +135,7 @@ resources:
                         list_join:
                         - /
                         - - {get_param: [DeployedServerPortMap, 'control_virtual_ip', fixed_ips, 0, ip_address]}
-                          - {str_split: ['/', {get_param: [DeployedServerPortMap, 'control_virtual_ip', subnets, 0, cidr]}, 1]}
+                          - '32'
                   -
                     if:
                     - public_virtual_ip_unset
@@ -144,7 +144,7 @@ resources:
                         list_join:
                         - /
                         - - {get_param: [DeployedServerPortMap, 'public_virtual_ip', fixed_ips, 0, ip_address]}
-                          - {str_split: ['/', {get_param: [DeployedServerPortMap, 'public_virtual_ip', subnets, 0, cidr]}, 1]}
+                          - '32'
                   routes: {get_param: ControlPlaneStaticRoutes}
                   members:
                   - type: interface
diff --git a/net-config-undercloud.j2.yaml b/net-config-undercloud.j2.yaml
index e937588459..79c0d04325 100644
--- a/net-config-undercloud.j2.yaml
+++ b/net-config-undercloud.j2.yaml
@@ -130,7 +130,7 @@ resources:
                         list_join:
                         - /
                         - - {get_param: [DeployedServerPortMap, 'control_virtual_ip', fixed_ips, 0, ip_address]}
-                          - {str_split: ['/', {get_param: [DeployedServerPortMap, 'control_virtual_ip', subnets, 0, cidr]}, 1]}
+                          - '32'
                   -
                     if:
                     - public_virtual_ip_unset
@@ -139,7 +139,7 @@ resources:
                         list_join:
                         - /
                         - - {get_param: [DeployedServerPortMap, 'public_virtual_ip', fixed_ips, 0, ip_address]}
-                          - {str_split: ['/', {get_param: [DeployedServerPortMap, 'public_virtual_ip', subnets, 0, cidr]}, 1]}
+                          - '32'
                   routes: {get_param: ControlPlaneStaticRoutes}
                   members:
                   - type: interface