: It may be a specific part of a unique URL or a file code used by an uploader to track their content across different platforms.
If you are looking for a specific video, DoodStream links typically follow a format like dood.to/d/[unique_id] . If "F1718" is part of that ID, you would need the full URL to access it.
: In some technical systems (such as Broadcom's CA IDMS ), F1718 is a specific message or "ADS Alive" code.
: Archival databases sometimes use these codes to catalog historic newsreels or local film clips.