Port 2191

Modified by:

Port 2191 is used for communication with the Apple Push Notification Service (APNS). It is a standard TCP port used to send and receive push notifications to and from iOS devices.

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 2191
tcp
tvbus
TvBus Messaging
REGISTERED PORT
Port 2191
udp
tvbus
TvBus Messaging
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 754
Port 754 is not assigned to any particular service or application at this time.
Port 3364
Ports those registered with IANA are shown as official ports. The same port number
Ports 34700 – 34800
Port 34700- Port 34800 Port 34800- Port 34900 Port 34900- Port 35000 Port 35000-
Port 21554
Ports those registered with IANA are shown as official ports. The same port number
Port 5303
Ports those registered with IANA are shown as official ports. The same port number
Port 4486
Ports those registered with IANA are shown as official ports. The same port number
Port 1849
Port 1849 is used for Apple’s NetInfo services and is used for communication between
Port 9203
Ports those registered with IANA are shown as official ports. The same port number
Port 1963
Ports those registered with IANA are shown as official ports. The same port number
Port 5938
Port 5938 is used for TeamViewer, which is a software application used for remote
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