ASUS device discovery app will help you to find all ASUS networking devices include router, repeater, IPcam, Access Point and wireless media bridge in your network, and you could use this app to get device IP address then login into device firmware page.
From version ASUS Device Discovery 1.0.0.1.14:
1. Update library
Variant
Arch
Version
DPI
(Android 3.0+)
Latest: 1.0.0.1.10 on October 29, 2015
All versions