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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 20000-21001,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
UDP::20000-21001
port WIKI IANA Linux
port 20000
Used on VoIP networks for receiving and transmitting voice telephony traffic which includes Google Voice via the OBiTalk ATA devices as well as on the MagicJack and Vonage ATA network device
dnpDNP
no data
port 20001 no data
microsanMicroSAN
no data
port 20002 no data
commtact-httpCommtact HTTP
no data
port 20003 no data
commtact-httpsCommtact HTTPS
no data
port 20005 no data
openwebnetOpenWebNet protocol for electric network
no data
port 20012 no data
ss-idi-discSamsung Interdevice Interaction discovery
no data
port 20013 no data
Reserved
no data
port 20014 no data
opendeployOpenDeploy Listener
no data
port 20034 no data
nburn_idNetBurner ID Port
nburn-idNetBurner ID PortIANA assigned this well-formed service name as a replacement for "nburn_id".
no data
port 20046 no data
tmophl7mtsTMOP HL7 Message Transfer Service
no data
port 20048 no data
mountdNFS mount protocol
no data
port 20049 no data
nfsrdmaNetwork File System (NFS) over RDMA
no data
port 20057 no data
Reserved
no data
port 20167 no data
tolfabTOLfab Data Change
no data
port 20202 no data
ipdtp-portIPD Tunneling Port
no data
port 20222 no data
ipulse-icsiPulse-ICS
no data
port 20480 no data
emwavemsgemWave Message Service
no data
port 20560
Killing Floor
no data no data
port 20595
0 A.D. Empires Ascendant
no data no data
port 20670 no data
trackTrack
no data
port 20999 no data
athand-mmpAT Hand MMP
no data
port 21000 no data
irtransIRTrans Control
no data

The User Datagram Protocol (UDP) is one of the core members of the Internet Protocol Suite, the set of network protocols used for the Internet. With UDP, computer applications can send messages, sometimes known as datagrams, to other hosts on an Internet Protocol (IP) network without requiring prior communications to set up special transmission channels or data paths. UDP is sometimes called the Universal Datagram Protocol. The protocol was designed by David P. Reed in 1980 and formally defined in RFC 768.

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.