10.0.0.138 is associated with Xfinity (Comcast) XB7 and XB8 gateways as a secondary management address. The primary admin IP for Xfinity is 10.0.0.1. Use the Xfinity app for the easiest management.
XfinityComcast XB7Comcast XB8
Default Login Credentials
IP Address
10.0.0.138
enter in browser
Username
admin
default
Password
password
change after login
Admin Path
/
URL path
How to Log In at 10.0.0.138
1Connect to the Xfinity network via Wi-Fi or Ethernet.
2Try the primary admin IP: http://10.0.0.1.
3If 10.0.0.1 doesn't work, the Xfinity app is the recommended management tool.
4Log in with admin / password or your custom credentials.
5For technical users, 10.0.0.138 may appear in advanced network diagnostics.
6Factory reset: hold Reset button on the gateway for 10–15 seconds.
Can't Access 10.0.0.138? Troubleshooting
→Use http://10.0.0.1 as the primary Xfinity gateway address instead.
→The Xfinity app provides easier access to most settings.
→Disable VPN — it blocks local subnet access.
→Run ipconfig to verify your actual default gateway.
→Contact Xfinity support for ISP-level configuration changes.
💡 Note: 10.0.0.1 is the primary Xfinity gateway address. 10.0.0.138 may appear as a device on your network rather than the gateway itself. Use the Xfinity app or 10.0.0.1 for admin access.
Xfinity gateways receive firmware updates automatically from Comcast. You cannot manually update firmware on Xfinity-provided equipment. Contact Xfinity support for firmware-related issues.
Frequently Asked Questions
What is 10.0.0.138 used for?
10.0.0.138 is associated with Xfinity/Comcast hardware. The primary admin IP for Xfinity gateways is 10.0.0.1. Use the Xfinity app or http://10.0.0.1 to manage your gateway.
Is 10.0.0.1 or 10.0.0.138 the correct Xfinity admin IP?
10.0.0.1 is the standard Xfinity gateway admin IP. Use http://10.0.0.1 to log in with admin / password.
How do I access Xfinity router settings?
Go to http://10.0.0.1 or use the Xfinity app. Default login: admin / password. The Xfinity app offers the most complete management experience.
Can I change settings on my Xfinity gateway?
Yes. At http://10.0.0.1 you can change Wi-Fi name, password, security settings, and port forwarding. Some ISP-level settings are locked by Comcast.
How do I factory reset my Xfinity gateway?
Hold the Reset button on the back of the gateway for 10–15 seconds. The device reboots with factory settings. This resets your Wi-Fi name and password.
What is the Xfinity gateway model XB7/XB8?
XB7 (Technicolor CGM4981) and XB8 (CommScope) are Comcast's Wi-Fi 6 gateways combining cable modem and router. Admin access at http://10.0.0.1.
Does Xfinity support Wi-Fi 6?
Yes. The Xfinity XB7 and XB8 gateways support Wi-Fi 6 (802.11ax). The XFi Pods provide mesh coverage extension.
How do I update Xfinity firmware?
Xfinity pushes firmware updates automatically to gateways. You cannot manually trigger updates. If you're having issues, contact Xfinity support.