You mean host caches? I use these.

router.limewire.com:634
connect1.gnutellanet.com:
connect2.gnutellanet.com:6346
connect3.gnutellanet.com:6346
connect4.gnutellanet.com:6346
connect5.gnutellanet.com:6346
connect6.gnutellanet.com:6346
connect7.public.bearshare.net:6346