20110102-0915 [xxx.xxx.xxx.xxx]162 (SNMP trap) open.
20110102-0915 [xxx.xxx.xxx.xxx]161(SNMP) Open.
20110102-0915 [xxx.xxx.xxx]138 (NetBIOS-DGM) opens.
20110102-0915 [xxx.xxx.xxx]137 (NetBIOS-ns) open.
20110102-0915 [xxx.xxx.xxx.xxx]135 (EPMAP) Open.
In that case, can you understand? Ip is followed by the port number (), which contains the protocol. Opening up will naturally open up.
Listening to any 30606 is the listening port 30606.