AltX
AltX is a lightweight serverside mod for minecraft fabric that logs player IP addresses & detects alternate accounts or shared IPs.
- Loaders
- Fabric
- Downloads on Modrinth
- 2K
- Followers on Modrinth
- 11
- versions
- 15
- Updated
- September 17, 2026Sep 17
- Published
- in 2025
At a glance
Install on the server only; players don't need it
Disclaimer: Ethical IP Tracking
This server mod logs player IP addresses to help identify alt accounts and maintain server integrity. Please use this mod responsibly and in compliance with privacy guidelines.
AltX
AltX is a lightweight serverside mod for minecraft fabric that:
Logs player IP addresses. Detects alternate accounts or shared IPs.
Features
IP Logging: Automatically logs player IPs. Discord notification via webhook.
Installation
Download the .jar from the Releases. Drop it into your server's mods folder. Restart the server.
Commands/Permissions
| Permission | Command | Description |
|---|---|---|
altx.command | /altx | Shows a list of available Altx commands |
altx.list | /altx list | Shows a list of players using the same IP address |
altx.trace | `/altx trace ` | Shows all players on given players IP address |
altx.viewips | - | Allows the player to see & search for IP addresses in altx list & `altx trace ` |
altx.notify | - | Notifies players when a new player joins using an IP address that is already in the database |
altx.purge.ip | `/altx purge ip ` | Deletes all instances of `` from the database |
altx.purge.player | `/altx purge player ` | Deletes all instances of `` from the database |
FAQ
How to install AltX?
Install Fabric for your Minecraft version, download AltX for the same version and loader, put the file into the mods folder and launch the game with the loader profile.
Which Minecraft versions does AltX support?
AltX has builds for Minecraft 1.21.1, 1.21.4–26.3.
Is AltX needed on the server?
Server only — players don't need to install it
