Port 1721

Modified by:

Port 1721 is used for monitoring and managing Cisco equipment with the Simple Network Management Protocol (SNMP). It is commonly used for managing Cisco routers and switches.

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 1721
tcp
caicci
caicci
REGISTERED PORT
Port 1721
udp
caicci
caicci
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 2235
Ports those registered with IANA are shown as official ports. The same port number
Port 4143
Port 4143 is often used by some remote administration tools, such as VNC (Virtual
Port 1499
Port 1499 is commonly used for communication between a mobile device and a server
Ports 10800 – 10900
Port 10800- Port 10900 Port 10900- Port 11000 Port 11000- Port 11100 Port 11100-
Port 1518
Ports those registered with IANA are shown as official ports. The same port number
Port 20046
Ports those registered with IANA are shown as official ports. The same port number
Port 260
Ports those registered with IANA are shown as official ports. The same port number
Port 4379
Ports those registered with IANA are shown as official ports. The same port number
Ports 29200 – 29300
Port 29200- Port 29300 Port 29300- Port 29400 Port 29400- Port 29500 Port 29500-
Port 3375
Ports those registered with IANA are shown as official ports. The same port number
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