Well known ports, 20000 to 20999

Ports 19000 to 19999 Ports 21000 to 21999

Links: IANA port assignments.

Port Transport Protocol
20000  DNP, Distrubuted Network Protocol.
20001 MicroSAN.
20002 Commtact HTTP.
20003 Commtact HTTPS.
20004  
20005 OpenWebNet protocol for electric network.
20006
-
20011
  
20012UDPSamsung Interdevice Interaction discovery.
20013TCPSamsung Interdevice Interaction.
20014 OpenDeploy Listener.
20015
-
20033
  
20034 NetBurner ID Port.
20035
-
20047
  
20048 NFS mount protocol.
20049  NFS over RDMA.
20050
-
20166
  
20167 TOLfab Data Change.
20168
-
20201
  
20202 IPD Tunneling Port.
20203
-
20221
  
20222 iPulse-ICS.
20223
-
20479
  
20480 emWave Message Service.
20481
-
20669
  
20670 Track.
20671
-
20998
  
20999 At Hand MMP.

Ports 19000 to 19999 Ports 21000 to 21999