You need the remote or theRoku mobile appto go through this.
Here’s where to look:
Press theHomebutton on the remote to reach the home screen.
Navigate toSettings>data pipe.

There, you’ll find your Roku’s IP address and other useful data pipe information.
It’s also super useful for displaying the IP address of the Roku.
It’s easy to use:
bring up the Remoku extensionin Chrome and selectAdd to Chrome.

Learnhow to add extensions to Chromeif you’re stuck.
Select theExtensionsicon to the right of the address bar, and then chooseRemokufrom the list.
Select theSettingstab at the top of the pop-up window.

Confirm that theMy NetworkandHow Many Rokusvalues are correct.
Remoku will look for the Roku on your data pipe and identify its IP address.
If nothing shows up from the scan, double-check the My web connection address.

If you have to,find your default gateway IP addressand put the correct numbers in the spaces provided.
Most routers have a way to view the devices currently connected to them.
Here’s how to see if your router can do this:
enter to your router’s admin interface.
If your web connection is controlled via an app, initiate the app.
bring up the section that displays connected devices.
It might be calledWi-Fi,Status,Devices, or something similar.
Feel free to poke around the various pages you see; every router is different.
Tap the Roku from the list.
The IP address is displayed.
FAQ
Power on your Roku TV and use the remote to navigate toSettings.
SelectOKon the remote; inSettings, selectNetwork.
If you’re free to, navigate toSettings>connection>Aboutto view the IP address.
To find, change, or reset your Roku PIN, navigate to themy.roku.com websiteand sign in if prompted.
UnderDevice options, selectPIN/parental controls>Change PIN, then enter yournew PINand selectSave PIN.