btsniff

just a BitTorrent DHT Sniffer (based on python-libtorrent)

Install prerequisites on Ubuntu

$ sudo apt-get install python-libtorrent

First, prepare a torrent for joining the network.

$ wget http://releases.ubuntu.com/12.04/ubuntu-12.04.3-server-amd64.iso.torrent

Then, execute below. btsniff listens on tcp port 6881.

$ python btsniff.py ubuntu-12.04.3-server-amd64.iso.torrent

or

$ nohup python btsniff.py ubuntu-12.04.3-server-amd64.iso.torrent >/dev/null 2>&1 &