We are currently working on extending the BitTorrent (Mainline) DHT to work over IPv6. The current draft is available as BEP 32:
There are currently three implementations of BEP-32:
There's a bunch of bootstrap nodes available; please see this forum posting for more information.
I am the author of the DHT used by the Transmission and Hekate BitTorrent implementations.
The code is maintained in the DHT Darcs repository. You may get the last version by doing
darcs get http://www.pps.jussieu.fr/~jch/software/repos/dht/
Released versions are in my download area (and also in Transmission itself).
The code is maintained in a Darcs repository. You may get the last version by doing
darcs get http://www.pps.jussieu.fr/~jch/software/repos/dht-bootstrap/
Released versions are in my download area
Hekate is a highly concurrent BitTorrent seeder.