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 TCP/UDP tools and library
About TCP/UDP tools
Find port number
Find port number by word
Check all open ports
IP range port scanner
 Ranges of ports in library
TCP ports list range 0-1024
TCP ports list range 1024-7000
TCP ports list range 7000-20000
TCP ports list range 20000-49151
UDP ports list range 0-1024
UDP ports list range 1024-7000
UDP ports list range 7000-20000
UDP ports list range 20000-49151

ports range 21000-22000,ports list, biggest ports tcp/udp library database

On this page you can find tools for search TCP Port Numbers and UDP Port Numbers.
Current service contain the biggest tcp udp port list. Port search going through 4 library (database),
total number of records are about 22000 (in 3 times more that in other service).
Library's:
  • IANA port numbers assignments library (database) - The Internet Assigned Numbers Authority (IANA) is responsible for maintaining the official assignments of port numbers for specific uses.
  • WIKI port numbers assignments library (database) - Good known wikipedia ports library
  • Gasmy library, Beta Library - good known manualy created port databases.
In computer networking, the protocols of the Transport Layer of the Internet Protocol Suite, most notably the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP),
use a numerical identifier for the data structures of the endpoints for host-to-host communications.
Such an endpoint is known as a port and the identifier is the port number.
The Registered Ports are listed by the IANA and on most systems can be used by ordinary user processes or programs executed by ordinary users. Thats why most part of new programs that useing "sockets" bind to ports in this range. Ports are used in the TCP [RFC793] to name the ends of logical connections which carry long term conversations. For the purpose of providing services to unknown callers, a service contact port is defined.
The IANA registers uses of these ports as a convenience to the community. About half part of numbers from range are free at this moment. To the extent possible, these same situation with for UDP ports [RFC768]. The Registered Ports are in the range 1024-49151.
It's very easy to search, just input tcp ports range or udp ports range - example2 (or in list format - example1),and 'Go'.

Legend:
no data
- no data available about port in current library
 library name
 port number
 application name
 port description
Example of search port info [list]example of group ports scan
Example of search port info [range]example of group ports scan
TCP UDP
TCP::21000-22000
port WIKI IANA Linux
port 21000 no data
irtransIRTrans Control
no data
port 21001
AMLFilter, AMLFilter Inc. amlf-admin default port
no data no data
port 21010 no data
notezilla-lanNotezilla.Lan Server
no data
port 21011
AMLFilter, AMLFilter Inc. amlf-engine-01 default http port
no data no data
port 21012
AMLFilter, AMLFilter Inc. amlf-engine-01 default https port
no data no data
port 21021
AMLFilter, AMLFilter Inc. amlf-engine-02 default http port
no data no data
port 21022
AMLFilter, AMLFilter Inc. amlf-engine-02 default https port
no data no data
port 21025
Starbound Server (default), Starbound
no data no data
port 21553 no data
rdm-tfsRaima RDM TFS
no data
port 21554 no data
dfserverMineScape Design File Server
no data
port 21590 no data
vofr-gatewayVoFR Gateway
no data
port 21800 no data
tvpmTVNC Pro Multiplexing
no data
port 21845 no data
webphonewebphone
no data
port 21846 no data
netspeak-isNetSpeak Corp. Directory Services
no data
port 21847 no data
netspeak-csNetSpeak Corp. Connection Services
no data
port 21848 no data
netspeak-acdNetSpeak Corp. Automatic Call Distribution
no data
port 21849 no data
netspeak-cpsNetSpeak Corp. Credit Processing System
no data
port 22000
Syncthing (default)
snapenetioSNAPenetIO
no data

The Transmission Control Protocol (TCP) is one of the core protocols of the Internet Protocol Suite. TCP is so central that the entire suite is often referred to as "TCP/IP." Whereas IP handles lower-level transmissions from computer to computer as a message makes its way across the Internet, TCP operates at a higher level, concerned only with the two end systems, for example a Web browser and a Web server. In particular, TCP provides reliable, ordered delivery of a stream of bytes from one program on one computer to another program on another computer. Besides the Web, other common applications of TCP include e-mail and file transfer. Among its management tasks, TCP controls message size, the rate at which messages are exchanged, and network traffic congestion.

In computer networking, the protocols of the Transport Layer of the Internet Protocol Suite, most notably the Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP), but also other protocols, use a numerical identifier for the data structures of the endpoints for host-to-host communications. Such an endpoint is known as a port and the identifier is the port number. The Internet Assigned Numbers Authority (IANA) is responsible for maintaining the official assignments of port numbers for specific uses.