We introduce the concept of Featurecast with addressing and routing based on node features defined as predicates. For instance, we can send a packet to the address composed of features {temperature and Room D} to reach all nodes with a temperature sensor located in Room D. Each node constructs its address from the set of its features and disseminates it in the network so that intermediate nodes can build routing tables. In this way, a node can send a packet to a set of nodes matching given features. Our experiments and evaluation of this scheme show very good performance compared to Logical Neighborhoods (LN) and IP multicast with respect to the memory footprint and message overhead.