SoftBank Router Login
SoftBank Hikari BBUnits answer on 172.16.255.234–172.16.255.254 range addresses or 192.168.3.1, with the login on the unit.
Air Terminal 5 (also covers 2/3/4/4 NEXT): user / user
Air Terminal 6: user / Printed on the label
Contents
How to log in to the SoftBank router
- Connect to your SoftBank Wi-Fi (or plug in a LAN cable).
- Open a browser and go to 172.16.255.254 or 192.168.3.1.
- Enter the username and password below. If they fail, use the ones on the router label.
- Open the Wi-Fi / WLAN menu to change your network name and password.
SoftBank default username and password
| Router / ISP | Login address | Username | Password | Source |
|---|---|---|---|---|
| Air Terminal 5 (also covers 2/3/4/4 NEXT) | 172.16.255.254 | user | user | Official doc |
| Air Terminal 6 | 192.168.3.1 | user | Printed on the label | Official doc |
“Official doc” rows link to the manufacturer’s or ISP’s own documentation, via the ssid.ai router dataset (CC BY 4.0).
Credentials vary by model and installation date. The sticker on your router always wins.
Change the SoftBank Wi-Fi password
After logging in: Wi-Fi settings → change the network name and password → Apply.
Use at least 12 characters. Every device will need the new password to reconnect.
172.16.255.254 not opening? Fixes that work
- Connect to the router first. Use its Wi-Fi or a LAN cable — mobile data will never reach 172.16.255.254.
- Type it in the address bar, not the search box, and include
http://—http://172.16.255.254. Many routers have no HTTPS page. - Check for typos: only numbers and dots. The letter “l” or “o” in place of 1 or 0 will not work.
- Your router may use a different address. Check the default gateway (see above) or the label.
- Turn off VPN, proxy or “Private Relay”. They send traffic outside your home network.
- Try another browser or a private window, and clear the cache.
- Restart the router: unplug it for 30 seconds, then wait two minutes after plugging it back in.
- Still stuck? A factory reset restores the default address and password.
SoftBank router models
| Model | Login address | Username | Password | Source |
|---|---|---|---|---|
| Air Terminal 5 (also covers 2/3/4/4 NEXT) | 172.16.255.254 | user | user | Official doc |
| Air Terminal 6 | 192.168.3.1 | user | On the label (unique) | Official doc |
Still need help?
If the login page will not open or the password is refused, contact SoftBank support: My SoftBank. A factory reset also works, but on ISP routers it can remove your internet settings — ask your provider first.
Frequently asked questions
What is the SoftBank router IP address?
SoftBank routers use 172.16.255.254 or 192.168.3.1.
What is the default SoftBank router password?
Air Terminal 5 (also covers 2/3/4/4 NEXT): user / user. If it does not work, check the router label.
How do I change my SoftBank Wi-Fi password?
Wi-Fi settings → change the network name and password → Apply.