knownports / Port ranges / 40000–43999

User PortsPorts 40000–43999

IANA lists at least one assignment on 28 of the 4,000 numbers from 40000 to 43999, 0.7%, the second-lowest share among the 30 User Port ranges on this site. The longest stretch with no assignment on any protocol runs from 41798 to 42507 (710 numbers). 6 numbers here are assigned on TCP alone and 3 on UDP alone. Of the 22 dated assignments, the earliest recorded date is April 2002 (fs-qos on 41111); the latest is December 9, 2022, for curiosity on 42999.

40000401004020040300404004050040600407004080040900410004110041200413004140041500416004170041800419004200042100422004230042400425004260042700428004290043000431004320043300434004350043600437004380043900
4000040050401004015040200402504030040350404004045040500405504060040650407004075040800408504090040950410004105041100411504120041250413004135041400414504150041550416004165041700417504180041850419004195042000420504210042150422004225042300423504240042450425004255042600426504270042750428004285042900429504300043050431004315043200432504330043350434004345043500435504360043650437004375043800438504390043950
One square per number, 40000 at top left. Outlined squares have their own page. TCP and UDPTCP onlyUDP onlySCTP or DCCP onlyno assignment

Ports with their own page: 41230 z-wave-s

Every assigned number from 40000 to 43999

40000–40099 · 2 numbers assigned
PortServiceProtocolsLabelRegistered
40000safetynetpTCPUDPSafetyNET pNov 2006
40001–40022: no assignment, 22 numbers
40023k-patentssensorUDPK-PatentsSensorInformationDec 2, 2015
40024–40099: no assignment, 76 numbers

40100–40399: no assignment, 300 numbers

40400–40499 · 1 number assigned
PortServiceProtocolsLabelRegistered
40404sptxTCPSimplify Printing TXDec 9, 2013
40405–40499: no assignment, 95 numbers

40500–40799: no assignment, 300 numbers

40800–40899 · 4 numbers assigned
PortServiceProtocolsLabelRegistered
40800–40840: no assignment, 41 numbers
40841cscpTCPUDPCSCP—
40842csccredirTCPUDPCSCCREDIR—
40843csccfirewallTCPUDPCSCCFIREWALL—
40853ortec-discUDPORTEC Service DiscoveryNov 22, 2010
40854–40899: no assignment, 46 numbers

40900–41099: no assignment, 200 numbers

41100–41199 · 2 numbers assigned
PortServiceProtocolsLabelRegistered
41100–41110: no assignment, 11 numbers
41111fs-qosTCPUDPFoursticks QoS ProtocolApr 2002
41121tentacleTCPTentacle ServerJun 2, 2009
41122–41199: no assignment, 78 numbers
41200–41299 · 1 number assigned
PortServiceProtocolsLabelRegistered
41200–41229: no assignment, 30 numbers
41230z-wave-sTCPUDPZ-Wave Protocol over SSL/TLSJun 26, 2015
41231–41299: no assignment, 69 numbers

41300–41699: no assignment, 400 numbers

41700–41799 · 4 numbers assigned
PortServiceProtocolsLabelRegistered
41700–41793: no assignment, 94 numbers
41794crestron-cipTCPUDPCrestron Control PortJan 2003
41795crestron-ctpTCPUDPCrestron Terminal PortJan 2003
41796crestron-cipsTCPCrestron Secure Control PortJun 27, 2012
41797crestron-ctpsTCPCrestron Secure Terminal PortJun 27, 2012

41800–42499: no assignment, 700 numbers

42500–42599 · 3 numbers assigned
PortServiceProtocolsLabelRegistered
42508candpTCPUDPComputer Associates network discovery protocolSep 2005
42509candrpTCPUDPCA discovery responseAug 2005
42510caerpcTCPUDPCA eTrust RPCAug 2005
42511–42599: no assignment, 89 numbers

42600–42899: no assignment, 300 numbers

42900–42999 · 1 number assigned
PortServiceProtocolsLabelRegistered
42900–42998: no assignment, 99 numbers
42999curiosityTCPAPI endpoint for search applicationDec 9, 2022
43000–43099 · 1 number assigned
PortServiceProtocolsLabelRegistered
43000recvr-rc
recvr-rc-disc		TCPUDPReceiver Remote Control
Receiver Remote Control Discovery		Dec 20, 2012
43001–43099: no assignment, 99 numbers
43100–43199 · 4 numbers assigned
PortServiceProtocolsLabelRegistered
43100–43187: no assignment, 88 numbers
43188reachoutTCPUDPREACHOUT—
43189ndm-agent-portTCPUDPNDM-AGENT-PORT—
43190ip-provisionTCPUDPIP-PROVISION—
43191noit-transportTCPReconnoiter Agent Data TransportMay 19, 2009
43200–43299 · 1 number assigned
PortServiceProtocolsLabelRegistered
43200–43209: no assignment, 10 numbers
43210shaperai
shaperai-disc		TCPUDPShaper Automation Server Management
Shaper Automation Server Management Discovery		Jun 22, 2012
43211–43299: no assignment, 89 numbers

43300–43399: no assignment, 100 numbers

43400–43499 · 4 numbers assigned
PortServiceProtocolsLabelRegistered
43400–43437: no assignment, 38 numbers
43438hmip-routingUDPHmIP LAN RoutingFeb 28, 2018
43439eq3-config
eq3-update		TCPUDPEQ3 discovery and configuration
EQ3 firmware update		Feb 10, 2012
43440ew-disc-cmd
ew-mgmt		TCPUDPCisco EnergyWise Discovery and Command Flooding
Cisco EnergyWise Management		May 19, 2009
43441ciscocsdbTCPUDPCisco NetMgmt DB PortsNov 2005
43442–43499: no assignment, 58 numbers

43500–43999: no assignment, 500 numbers