These are our servers.

Server name Abbreviation Variant name Status Administrator Issues/notes
nethack.alt.org NAO vanilla   paxed  
acehack.rawrnix.com ARC acehack   rawrmage  
acehack.sovrappensiero.info ASI acehack   kerio  
un.nethack.nu EUN unnethack   octe  
nethack.fi NFI vanilla   paxed, ...  
sporkhack.com SHC sporkhack   lorimer  
us.un.nethack.nu UUN unnethack   blister  
acehack.sovrappensiero.info N13 nethack 1.3d   kerio  
nethack.eu NEU vanilla   blackpenguin