Port 21000

Modified by:

Port 21000 is commonly used for communication between client and server in various applications such as Autodesk License Manager, Siemens Teamcenter, and ANSYS License Manager. It is also used for peer-to-peer file sharing in the Direct Connect network.

Ports those registered with IANA are shown as official ports. The same port number may be unofficialy used by various services or applications. The official usage are listed separately below its usage may change from time to time.

Official

Port
Protocol (TCP/UDP)
Title
Description
Port Type
Port 21000
tcp
irtrans
IRTrans Control
REGISTERED PORT
Port 21000
udp
irtrans
IRTrans Control
REGISTERED PORT

UnOfficial

Unofficialy or sometimes with conflict, the same port may be used by different applications.

Port Protocol (TCP/UDP) Description
TCP UDP Ports
Other ports
Ports 45900 – 46000
Port 45900- Port 46000 Port 46000- Port 46100 Port 46100- Port 46200 Port 46200-
Ports 1200 – 1300
Port 1200- Port 1300 Port 1300- Port 1400 Port 1400- Port 1500 Port 1500-
Ports 30100 – 30200
Port 30100- Port 30200 Port 30200- Port 30300 Port 30300- Port 30400 Port 30400-
Port 2246
Ports those registered with IANA are shown as official ports. The same port number
Ports 22900 – 23000
Port 22900- Port 23000 Port 23000- Port 23100 Port 23100- Port 23200 Port 23200-
Ports 53300 – 53400
Port 53300- Port 53400 Port 53400- Port 53500 Port 53500- Port 53600 Port 53600-
Port 2871
Port 2871 is used for Internet Audio Gateway Protocol (IAGP), a protocol for streaming
Port 4135
Ports those registered with IANA are shown as official ports. The same port number
Port 3853
Ports those registered with IANA are shown as official ports. The same port number
Port 5426
Ports those registered with IANA are shown as official ports. The same port number
Add comment