[
    {
        "table_id": 42,
        "table_name":"TSG_IP_LOCATION_BUILT_IN",
        "table_type":"ip_plugin",
        "valid_column":18,
        "custom": {
            "item_id":1,
            "ip_type":3,
            "start_ip":4,
            "end_ip":5,
            "addr_format":7
        }
    }
]