I can't find my username and password for my router?

I'm' trying to make a minecraft server and i need to get inside my router so i can make the sever but i don't know what my username and password is. I have Xfinity and I've tryed many combinations already but none have worked so far such as: admin and password or vise versa and 1234 a bunch of things but nothing works my ip is 10.0.0.1 and its really weird please help i can't seem to log in thanks

Call your Isp.

Have you tried "highspeed" as the password?
I'm not too familiar with the Xfinity modem/router thing but I believe most routers have a tiny hole in the back that you can push with a pin or a ballpoint pen, this will reset it to its factory default settings (make sure you push it and hold for 15 seconds). User should be "admin" (without quotes) and password should be "password".
If you still have issues you should contact Comcast about it.

Is the original sticker still attached to your router? Your logon info should be printed on it. Otherwise you'll have to reset your router back to its factory defaults and then you'll be able to sign on.

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