config/deployment/networkconfig/logicalnetworks/grevip.json

{
    "resourceId": "GREVIP",
    "properties": {
        "subnets": [
            {
                "resourceId": "GREVIP_subnet_1",
                "properties": {
                    "addressPrefix": "100.64.10.0/24",
                    "vlanID": "0",
                    "ipPools": [
                        {
                            "resourceId": "GREVIP_subnet_1_pool_1",
                            "properties": {
                                "startIpAddress": "100.64.10.10",
                                "endIpAddress": "100.64.10.200"
                            }
                        }
                    ],
                    "dnsServers": [],
                    "defaultGateways": [
                        "100.64.1.1"
                    ],
                    "isPublic": false
                }
            }
        ],
        "networkVirtualizationEnabled": "True"
    }
}