The present invention is to provide for example a node device that receives content catalog information having attribute information and delivered from a delivery device in an information delivery system, the nodes being mutually communicable through a network and divided into a plurality of groups, the node device including: a new content catalog receiving means for receiving new content catalog information, delivered from the delivery device and having attribute information; a new content catalog saving means; a condition information saving means for saving the grouping condition and presentation time information; a group judgment means for judging on the basis of the grouping condition; a presentation time judgment means; and a content catalog presentation setting means for presenting the new content catalog information after the presentation time arrives.