Unable to get to http://192.168.1.254/

I got to it!

I had to open a "New Application Guard window" in the Edge browser. 

Edward

Which AT&T gateway model do you have?

Sorry to suggest this normal throw-away item but have you rebooted the gateway?

If you do an ipconfig command what does it show for your IPv4 address and the default  gateway IP address?

If you do a ping command for 192.168.1.254 what are the results.

If none of this info helps explain it I'll probably suggest a factory reset on the gateway, but let's see what your test results look like first.

Wow, that one was out there, good catch! 

We're glad to see that you figured it out how to get into your router, EdwarDallas.

Thanks for visiting the AT&T Community Forums! If anything else comes up, don't hesitate to reach back out.

Aminah, AT&T Community Specialist