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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 19900-20200,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::19900-20200
port WIKI IANA Linux
port 19998 no data
iec-104-secIEC 60870-5-104 process control - secure
no data
port 19999 no data
dnp-secDistributed Network Protocol - Secure
no data
port 20000 no data
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 20011 no data no data
isdnlog isdn logging system
port 20012 no data
Reserved
vboxd voice box system
port 20013 no data
ss-idiSamsung Interdevice Interaction
no data
port 20014
DART Reporting server
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
avesterraAvesTerra Hypergraph Transfer Protocol (HGTP)
no data
port 20167 no data
tolfabTOLfab Data Change
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.