Log into the Enter Cloud Suite Dashboard.

Click on Networks > Networks on the menu

Now Dashboard shows your networks in all ECS regions

Create a new network just clicking on Create Network

Choose name, region (it-mil1 / de-fra1 / nl-ams1) and address with CIDR of your LAN network.

This step auto create a network with the subnet that you defined and attach it to your virtual router.

Back to network list and now you can see the new subnet

You can rename network clicking on pencil button and delete it with red bucket icon.

You can configure entire virtual networks infrastructure on https://horizon.entercloudsuite.com in Network Tab on the left menu.