ARRIS SURFboard S33 Login
The ARRIS SURFboard S33 is a modem-router (gateway) whose admin page answers on 192.168.100.1. Each unit has its own admin password printed on the device label — there is no shared default.
192.168.100.1 Login
Login address: 192.168.100.1
Username / password: admin / On the label (unique)
Contents
ARRIS SURFboard S33 default login
| Model | Login address | Username | Password | Source |
|---|---|---|---|---|
| SURFboard S33 | 192.168.100.1 | admin | On the label (unique) | Official doc |
Checked against ARRIS SURFboard Support (S33/S34: Web Manager Access) on 31 Aug 2026 (high confidence), via the ssid.ai dataset (CC BY 4.0).
“The password is derived from the device: username admin, password = last 8 digits of the serial number printed on the label, with a forced password change on first login.”
How to log in to the ARRIS SURFboard S33
- Connect to the ARRIS SURFboard S33 by Wi-Fi or a network cable. On a phone, turn off mobile data.
- Open a browser and go to 192.168.100.1.
- Sign in with admin / On the label (unique).
- Open the Wireless or Wi-Fi section to change the network name and password.
If the login does not work
- Check the label first. This model has a unique password printed on the device — admin / admin will not work.
- Someone may have changed it. A factory reset restores the login above.
- Reset: Hold the Reset button on the back for 10 seconds.
- Wrong address? Check your default gateway — see how to find your router’s IP.
- Type
http://, not https://, and turn off any VPN or Private DNS.
Other ARRIS models
| Model | Login address | Username | Password | Source |
|---|---|---|---|---|
| SURFboard SB8200 | 192.168.100.1 | admin | On the label (unique) | Official doc |
| SURFboard SBG7600AC2 | 192.168.0.1 | admin | password | Official doc |
| TG1652 (izzi México gateway) | 192.168.0.1 | admin | password | Official doc |
| TG3442 (izzi México gateway) | 192.168.0.1 | admin | On the label (unique) | Official doc |
| TG862 (izzi México gateway) | 192.168.0.1 | admin | password | Official doc |
More help
- ARRIS / Surfboard login guide
- 192.168.100.1 login page
- Default router password list
- How to reset a router
Frequently asked questions
What is the default password for the ARRIS SURFboard S33?
Username admin, password On the label (unique).
What is the ARRIS SURFboard S33 IP address?
The admin page is at 192.168.100.1.
How do I reset the ARRIS SURFboard S33?
Hold the Reset button on the back for 10 seconds.