You should see a list of listening ports.
$ lsof -i -P COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME java 18387 tigase 141u IPv6 22185825 0t0 TCP *:8080 (LISTEN) java 18387 tigase 148u IPv6 22185834 0t0 TCP *:5222 (LISTEN) java 18387 tigase 149u IPv6 22185835 0t0 TCP *:5223 (LISTEN) java 18387 tigase 150u IPv6 22185836 0t0 TCP *:5290 (LISTEN) java 18387 tigase 151u IPv6 22185837 0t0 TCP *:5280 (LISTEN) java 18387 tigase 152u IPv6 22185838 0t0 TCP *:5269 (LISTEN)