I would suggestto check this: NAS and Computer/Phone you use to wake device must be on same network and same net mask (range of ip addreses). It is perfect in settings where no dedicated server rack or data center is available. DS finder allows you to set up and manage your Synology NAS, sends you NAS-related notifications, and opens your door to the world of Synology apps. It features smooth data sharing, video streaming, and photo indexing, as well as well-rounded data protection and recovery options. Multiple configurations for devices which can be woken can be created.
Aquilatech WOL A free Ping and Wake-on-Lan utility with an attractive interface. It would be a very simple application: - Add to add a MAC address and a network interface (or all) to send the magic packet.