Open your AT&T gateway
http://192.168.1.254 Go
Username (none)
Password Device Access Code

AT&T gateways have no username. Changes ask for the Device Access Code printed on the gateway's label.

Who uses 192.168.1.254

AT&T gateways (US)

AT&T supplies a combined modem/router, which it calls a gateway, with Fiber and DSL (Internet) service. Over the years these have been built by several manufacturers, including Arris, Pace, Motorola, Humax and Nokia, and the model name is printed on the label. Current and recent AT&T gateways use 192.168.1.254 as the default LAN address.

AT&T Internet Air (the fixed wireless service) uses different hardware, so if you have that service check the label or the app rather than assuming this address.

Other devices

  • BT Home Hub and Smart Hub (UK) — admin at 192.168.1.254, password on the hub's label or card.
  • Older DSL modems — some 2Wire, Thomson and Technicolor units used this address.
  • Fastweb (Italy) — Fastweb gateways also use 192.168.1.254.

How to log in to an AT&T gateway

  1. Connect to the gateway's Wi-Fi or a LAN port. If you use your own router behind the gateway, connect directly to the gateway for this step.
  2. Type 192.168.1.254 in the browser address bar. The status page loads without a login.
  3. Find the Device Access Code on the gateway label. It is not the same as the Wi-Fi password.
  4. Make changes. Choose the tab you need (typically Device, Broadband, Home Network, Voice, Firewall and Diagnostics), edit the setting and enter the Device Access Code when asked.

Tab names and layout differ slightly between gateway models and firmware releases, but the Device Access Code works the same way on all of them. For app-based management and other AT&T details, see the AT&T router login guide.

Common tasks at 192.168.1.254

Change the Wi-Fi name or password

Open Home Network → Wi-Fi, edit the network name (SSID) and password for each band, and save with the Device Access Code. Devices will need to reconnect with the new password. The change Wi-Fi password guide covers what to do afterward.

Use your own router with IP Passthrough

If you prefer your own router or mesh system, connect its WAN port to a LAN port on the AT&T gateway, then on the gateway open Firewall → IP Passthrough, set the allocation mode to Passthrough and select your router as the passthrough device. Restart your router so it picks up the public address. Turning off the gateway's own Wi-Fi avoids two competing networks.

Open ports

Port forwarding lives under the Firewall tab (often called NAT/Gaming). If you use IP Passthrough, forward ports on your own router instead. The port forwarding guide explains the general process.

If 192.168.1.254 won't open

  1. Check your connection. You must be on the gateway's network. Turn off mobile data and disconnect any VPN.
  2. Behind your own router? If you use IP Passthrough or a second router, your computer is on that router's network. Connect directly to the gateway, or open your own router's address instead.
  3. Confirm the gateway address. Run ipconfig on Windows or check Wi-Fi details on your phone. If the default gateway is not 192.168.1.254, use what it shows.
  4. Try another browser or a private window, and type http://192.168.1.254 explicitly.
  5. Restart the gateway. Unplug power for 30 seconds, plug it back in and wait for the status light to turn steady before trying again.

A factory reset (holding the recessed reset button) restores the original Wi-Fi name and password from the label but erases your custom settings. Read the router reset guide first; for general troubleshooting see can't access your router.

Other router addresses

Frequently asked questions

What is the password for 192.168.1.254 on an AT&T gateway?

AT&T gateways do not use a username and password pair. Settings that change the gateway ask for the Device Access Code, a unique code printed on the label on the side or bottom of the gateway (often labeled Device Access Code or Access Code). It is different from the Wi-Fi password, which is printed on the same label. Viewing status pages usually does not require the code at all.

Why does my AT&T gateway use 192.168.1.254 instead of 192.168.1.1?

It is simply the address AT&T and its equipment makers chose for the gateway's LAN side. Using .254 (the last usable address in a typical /24 range) leaves the low addresses free for other devices. The practical effect is that generic guides telling you to open 192.168.1.1 will not reach an AT&T gateway.

Does AT&T have a bridge mode?

AT&T gateways generally do not offer a true bridge mode for fiber or DSL service. The closest option is IP Passthrough, found under the Firewall tab at 192.168.1.254. It hands your public IP address to one device, usually your own router, so that router does the routing and NAT. The AT&T gateway stays connected because it authenticates the line.

Can I manage my AT&T Wi-Fi without 192.168.1.254?

Yes. AT&T's Smart Home Manager app and website let you change the Wi-Fi name and password, see connected devices and run basic troubleshooting. The browser page at 192.168.1.254 is still useful for advanced settings such as IP Passthrough, firewall options, DHCP and detailed line diagnostics.

192.168.1.254 opens a page, but it is not AT&T. What is it?

Other devices also use this address. In the UK, BT Home Hub and Smart Hub routers use 192.168.1.254; their admin password is printed on the hub's label or card. Some older 2Wire, Thomson and Technicolor DSL modems also used it. Whatever opens at that address is your own gateway, so follow the instructions for that brand.