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Overview

I2P (Invisible Internet Project) trackers operate on an anonymous, encrypted network layer that provides enhanced privacy for BitTorrent users. These trackers use .i2p domains and require special setup to access.
I2P trackers provide anonymity but may have slower speeds compared to clearnet trackers due to the encryption and routing overhead.

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Requirements

I2P Router

Download and install the I2P Router to access the I2P network

Compatible Client

Use a BitTorrent client with I2P support built-in

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I2P Router Setup

The I2P Router creates a virtual network adapter that allows your BitTorrent client to connect to .i2p addresses. It must be running whenever you want to use I2P trackers.
1

Download I2P

Visit geti2p.net and download the installer for your operating system
2

Install and Start

Run the installer and start the I2P Router. Wait for it to integrate into the network (10-15 minutes)
3

Configure Client

Configure your BitTorrent client to use I2P proxy settings (typically localhost:4444 for HTTP proxy)
4

Verify Connection

Check the I2P Router console to ensure your client is connected to the network

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Compatible BitTorrent Clients

These clients have native I2P support:

qBittorrent

Cross-platform client with built-in I2P support

BiglyBT

Feature-rich client with advanced I2P integration

Tixati

Lightweight client with I2P tracker support

I2PSnark

Native I2P BitTorrent client bundled with I2P Router

libtorrent

Library-level support for clients built on libtorrent
For more information on I2P BitTorrent, see the official I2P documentation.

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Available I2P Trackers

TrackersList maintains 12 active I2P trackers. These trackers use either HTTP or UDP protocols over the I2P network.

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HTTP I2P Trackers

http://4olv65sj4ifeak26wqiifr3q2vjv5d44x733ncqhtd7cmjwoinpa.b32.i2p:80/announce

http://6wbrmd4wodeewdykfw362gmlbeo26njc5zmtuxdvtomehpozzjja.b32.i2p:80/announce

http://opentracker.dg2.i2p:80/a

http://opentracker.eeptorrent.i2p:80/a

http://opentracker.fattydove.i2p:80/a

http://opentracker.r4sas.i2p:80/a

http://opentracker.simp.i2p:80/a

http://opentracker.skank.i2p:80/a

http://qimlze77z7w32lx2ntnwkuqslrzlsqy7774v3urueuarafyqik5a.b32.i2p:80/a

http://sigmatracker.i2p:80/a

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UDP I2P Trackers

udp://opentracker.simp.i2p:6969/a

udp://opentracker.skank.i2p:6969/a
I2P addresses use .b32.i2p (base32) or human-readable .i2p domains. Both formats are valid and resolve through the I2P network.

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Adding I2P Trackers to Torrents

  1. Right-click on a torrent
  2. Select Edit trackers
  3. Paste I2P tracker URLs (one per line)
  4. Click OK
Ensure I2P is enabled in Options > Advanced > Network Interface and set to your I2P router’s proxy.

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Performance Considerations

I2P connections are typically slower than clearnet due to:
  • Multi-hop encrypted routing (similar to Tor)
  • Volunteer-run infrastructure
  • Network integration time
Expected speeds: 100-500 KB/s for most users
I2P prioritizes anonymity over speed. If you need:
  • Maximum privacy: Use I2P trackers exclusively
  • Best performance: Use clearnet trackers
  • Balanced approach: Mix both types
Your I2P Router needs time to integrate into the network:
  • First 15 minutes: Limited connectivity
  • After 30 minutes: Better peer discovery
  • After 1 hour: Optimal performance
Leave your I2P Router running continuously for best results.

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Troubleshooting

1

Verify I2P Router is Running

Check that the I2P Router console is accessible at http://127.0.0.1:7657
2

Check Client Proxy Settings

Ensure your BitTorrent client is configured to use:
  • HTTP Proxy: 127.0.0.1:4444
  • HTTPS Proxy: 127.0.0.1:4445
3

Wait for Network Integration

Give the I2P Router at least 15-30 minutes to integrate into the network after starting
4

Test with Known Working Tracker

Try http://opentracker.r4sas.i2p:80/a which is one of the most stable I2P trackers
Some BitTorrent clients may not support UDP over I2P. Stick to HTTP I2P trackers if you experience connection issues.

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Security Best Practices

No DNS Leaks

I2P handles all name resolution internally - no DNS queries leak to your ISP

Encrypted Routing

All traffic is encrypted through multiple hops, similar to Tor but optimized for P2P

No Exit Nodes

I2P traffic stays within the I2P network - no exit node vulnerabilities

Separate from Clearnet

I2P and clearnet torrents use separate peer pools for isolation
For maximum anonymity, use I2P trackers exclusively and avoid mixing clearnet and I2P trackers on the same torrent.

Yggdrasil Trackers

Another anonymous network option

WebTorrent

Browser-based torrenting with WebSocket trackers

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