Local and integral values for the holdup, the wetted packing surface area and the mass transfer area were determined by taking computed tomography images along a randomly packed column. Therefore, Raschig Super-Ring, RMSR and Raflux-Ring were investigated over a wide range of operating points. The results show a big difference between the three types of random packings and could be quantified through the high spatial resolution of the measuring technique. The presented results of the integral values are largely independent from the random packing itself and are repeatable for a repacking of the column.