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
Port 4133
Ports those registered with IANA are shown as official ports. The same port number
Ports 42500 – 42600
Port 42500- Port 42600 Port 42600- Port 42700 Port 42700- Port 42800 Port 42800-
Port 1980
Ports those registered with IANA are shown as official ports. The same port number
Port 1226
Ports those registered with IANA are shown as official ports. The same port number
Port 4569
Port 4569 is typically used for Session Initiation Protocol (SIP) signaling for VoIP (Voice
Port 2865
Port 2865 is used for Remote Authentication Dial-In User Service (RADIUS) authentication protocol. Ports
Port 9444
Ports those registered with IANA are shown as official ports. The same port number
Port 1216
Ports those registered with IANA are shown as official ports. The same port number
Port 2644
Port 2644 is often used for remote management and monitoring of network devices, such
Port 5057
Ports those registered with IANA are shown as official ports. The same port number
Add comment