PL-E52P
600Mbps Gigabit Powerline Adapter

The ASUS PL-E52P router has No WiFi, 1 N/A ETH-ports and 0 USB-ports.
It is also known as the ASUS 600Mbps Gigabit Powerline Adapter.

Quick links:
Default password/Login

PL-E52P router specifications (specs)

System specs
CPU: n/a
RAM: n/a
Flash: n/a
Custom firmwares: None

Connectivity
WiFi: No ()
WiFi bands: n/a
WiFi throughput: n/a
WAN: None
ETH: 1 x N/A port
USB-ports: 0

Hard reset instructions for ASUS PL-E52P

If your PL-E52P router is not working as it should, dropping connections or not being responsive, you should first do a reset of the router to see if the problems persist. Other scenarios where you might want to reset your router is if you've forgotten the password or misconfigured it and can't get access anymore.
Your can reset your ASUS PL-E52P in the following way(s):

Through the web-interface

Open your browser and navigate to the default gateway ip (check default settings below)
Sign in to the web-interface with the username and password you have selected, or try the defaulr username and password (check default settings below)
Under the advanced settings menu, select administration
Find the link "Restore/Save/Upload Setting"
Beside Factory default click on Restore
If prompted, click ok

With the reset button on the router

Locate the reset button on the backside of your unit
with a sharp object, e.g. a paperclip or pencil, press and hold the reset button for 5s or until the power led starts flashing

The 30-30-30 reset

If the above instructions don't work you can always try the 30-30-30 reset as follows:

When router is powered on, press the reset button and hold for 30 seconds. (Use a paper clip or something sharp)
While holding the reset button pressed, unplug the power of the router and hold the reset button for 30 seconds
While still holding the reset button down, turn on the power to the unit again and hold for another 30 seconds.

This process usually works for resetting any router to it's factory setting.

Note: It is worth reading more about how to reset routers with the 30 30 30 reset and what the risks and considerations are when resetting your router this way, instead of just rebooting it.

Default factory settings for ASUS PL-E52P

If you have performed a reset of your PL-E52P device or not changed the defaults, you should be able to access it with the following settings:

Default subnet mask: 255.255.255.0

Note: If you are using the default settings you should change them to increase security and prevent unathorized access to your network.

PL-E52P Firmwares

Staying up to date with the latest firmware is a good idea to keep your router even more secure from various security flaws.
If you want to squeeze a little bit of extra functionality out of your router, consider flashing an open-source firmware like dd-wrt, openWRT or LEDE. Flashing a custom ROM can greatly increase the stability and functionality of your old router.
Following are the firmwares that we have identified existing for the ASUS PL-E52P:

ASUS stock firmware for the PL-E52P

Stock firmwares for the PL-E52P are available under the download section on the modem's support page. You can also refer to the router's manual for instructions on how to upgrade the firmware.