knownports / Ports 40000–43999 / Port 40023

Port40023

  • k-patentssensorK-PatentsSensorInformation

IANA has registered port 40023 to k-patentssensor on UDP; TCP 40023 is held as reserved. Among the 22 dated assignments in ports 40000–43999, its registration on December 2, 2015 is the third most recent. No number is assigned for 22 places below it and 380 above, counting all protocols: the third widest gap around any of the 28 assigned numbers in the range.

  1. 39063vroa
  2. 617 free
  3. 39681turbonote-1
  4. 318 free
  5. 40000safetynetp
  6. 22 free
  7. 40023k-patentssensor
  8. 380 free
  9. 40404sptx
  10. 436 free
  11. 40841cscp
  12. 40842csccredir
TCP assignedUDP assignedreservedno entryAll 28 assigned numbers in ports 40000–43999

Registry entries

ServiceProtocolsRegisteredModifiedRFCsOther specs
k-patentssensorUDPDec 2, 2015Feb 2, 2021——

Where it sits in the registry

Port 40023 is one of 28 numbers with an assignment in ports 40000–43999 (0.7% of the range). Two other numbers in the range are assigned on exactly the same transport, UDP. Of the 22 numbers in the range with a recorded registration date, 19 were registered before it (December 2, 2015) and two after. IANA last modified the entry on February 2, 2021, six years after the first recorded registration. No other number in the registry shares that modification date.

Status on each protocol

ProtocolOn port 40023Other numbers with the same statusNearest with the same status
TCPreserved18640853 ortec-disc
UDPassigned to k-patentssensor5,50040000 safetynetp
SCTPno entry5,99940000 safetynetp
DCCPno entry6,08040000 safetynetp

171 other assigned numbers in the registry have exactly this combination across all four protocols.

The nearest assigned numbers

PortServiceLabelProtocolsRegisteredDistance
39063vroaChildren's hearing test/TelemedicineTCPDec 23, 2021960
39681turbonote-1TurboNote Default PortTCPUDP—342
40000safetynetpSafetyNET pTCPUDPNov 200623
40404sptxSimplify Printing TXTCPDec 9, 2013381
40841cscp—TCPUDP—818
40842csccredir—TCPUDP—819