It's not just you. Bethesda has taken the Fallout 76 servers down for maintenance this January 24, as well as the release of a new title update.
Update: The entire patch notes for the 24th of January are now available!
Bethesda has released a statement on today's F076 downtime:
As part of today's maintenance, a new title update was mentioned in the latest "Inside the Vault" blog post from the studio. The patch will focus on bug fixes as well as the removal of the illegal weapon mod.
- Related Reading: Obsidian Entertainment CEO on Possible Fallout Game: “I Would Love to Make Another”
We'll update this article once the patch is up (or you can check out our FO76 game hub once it's up). These things are likely to last for a few hours, so please check back periodically.