Penk's starship
Penk's starship was a starship operated by an individual named Penk in the Delta Quadrant during the late 24th century. The starship was used as a main base of Tsunkatse matches, which took place on the ship but were transmitted live to millions of viewers over the sector. This vessel weighed about five million metric tons, and had reinforced hull plating protected by tetryon-based covariant shielding to prevent sensor penetration, with multiphasic force fields preventing the use of transporters. The ship was heavily armed with neutronic weaponry and a tetryon-based dampening field used to disable the engines, weapons, transporters and shields of ships in close proximity. 

In 2376, after Seven of Nine and Lieutenant Commander Tuvok were kidnapped by Penk, the  attacked Penk's ship, albeit with little success. Fortunately, the  arrived and disabled the vessel's signal generators and transmitters, allowing for the two crewmembers to be beamed back to Voyager. ()

Background information

According to the Star Trek Fact Files and the , this vessel was of Norcadian design.

Penk's starship was designed by Rick Sternbach and modeled by Foundation Imaging. () Sternbach indicated that the "central arena area (of the ship) with the uplighting was inspired by ." 
Starship classes
Unnamed starships