AC1600 WiFi VDSL/ADSL Modem Router Model D6400
The UPnP Portmap Table displays the IP address of each UPnP device that is accessing
the modem router and which ports (internal and external) that device opened. The UPnP
Portmap Table also displays what type of port is open and whether that port is still active
for each IP address.
10. To refresh the information in the UPnP Portmap Table, click the Refresh button.