BBS List

GameLand BBS

BBSmates

Fire Escape

Computer Connection BBS

Piranha 2005 ( Another Link)

Farpoint - doesn't have Planets, but does have some other good games like Legend of the Red Dragon.

Note:If experiencing any problems using the native telnet client in Windows (launches just by clicking the link), I recommend using mtelnet. It can be downloaded at http://ozone.eesc.com.

Google Search for Planets on BBS's