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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 401-421,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::401-421
port WIKI IANA Linux
port 401
Uninterruptible power supply (UPS)
upsUninterruptible Power Supply
 no data
port 402 no data
genieGenie Protocol
 no data
port 403 no data
decapdecap
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port 404 no data
ncednced
 no data
port 405 no data
ncldncld
 no data
port 406 no data
imspInteractive Mail Support Protocol
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port 407 no data
timbuktuTimbuktu
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port 408 no data
prm-smProspero Resource Manager Sys. Man.
 no data
port 409 no data
prm-nmProspero Resource Manager Node Man.
 no data
port 410 no data
decladebugDECLadebug Remote Debug Protocol
 no data
port 411 no data
rmtRemote MT Protocol
 no data
port 412 no data
synoptics-trapTrap Convention Port
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port 413 no data
smspStorage Management Services Protocol
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port 414 no data
infoseekInfoSeek
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port 415 no data
bnetBNet
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port 416 no data
silverplatterSilverplatter
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port 417 no data
onmuxOnmux
 no data
port 418 no data
hyper-gHyper-G
 no data
port 419 no data
ariel1Ariel 1
 no data
port 420 no data
smpteSMPTE
 no data
port 421 no data
ariel2Ariel 2
 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.

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