View OpenLCB Unique ID Ranges

Range Delegating organization or person URL Comment
00 * * * * * Reserved; Leading 0 byte indicates uninitialized or non-standard Node ID
01 * * * * * OpenLCB Group Reserved for well-known global identifiers
02 * * * * * OpenLCB Group Manufacturer-specific assignments (Short 8-Bit)
03 * * * * * OpenLCB Group Self-assigning groups space
04 * * * * * OpenLCB Group Individual UIDs allocated by automated requests
05 * * * * * OpenLCB Group Specifically assigned ranges
06 * * * * * OpenLCB Group Locomotive control systems
07 * * * * * OpenLCB Group (tentative) RFID messages as events, need 3 bytes in NID for 40 bit tag
08 * * * * * OpenLCB Group Temporary individually Unique Identifiers leased by automatic requests
09 * * * * * OpenLCB Group Manufacturer-specific assignments (Long 16-Bit)
FF * * * * * Reserved, indicates an error e.g. reset non-volative memory

Reserved; Leading 0 byte indicates uninitialized or non-standard Node ID

Range Delegating organization or person URL Comment
00 00 00 00 00 00 Reserved; convenient value for "No valid node ID assigned"
00 00 00 00 00 00

Reserved for well-known global identifiers

Range Delegating organization or person URL Comment
01 01 00 00 00 00 Reserved for well-known EventIDs (see EidAllocations sheet; this is referred to as "OpenLCB vnode" there)
01 01 01 * * * Reserved for CBUS-defined EventIDs (specifically when last two bytes zero); see EidAllocations sheet, where this is referred to as "CBUS vnode"
01 63 * * * * OpenLCB Group XpressNet translation
01 81 * * * * OpenLCB Group LocoNet packet transport
01 EE * * * * OpenLCB Group DCC translation

Manufacturer-specific assignments (Short 8-Bit)

Range Delegating organization or person URL Comment
02 01 * * * * Manufacturer space bank 1 (by NMRA Mfg ID byte)
02 01 0D * * * DIY (shared unmanaged space, not recommended for individual use)
02 01 12 * * * JMRI JMRI (e.g. for use in software solutions)
02 01 54 * * * Phoenix-Micron Inc. http://www.layout-ioe.com Layout-IoE (Internet of Everything) is an IEEE 802.11n WiFi based mesh network for your model railroad layout
02 01 8A * * * Train ID Systems Train ID Systems
02 01 EB * * * MERG
02 01 EE * * * NMRA reserved

Self-assigning groups space

Range Delegating organization or person URL Comment
03 00 * * * * NMRA member number assignments
03 04 * * * * MERG member number assignment
03 08 * * * * CBUS - for mapping existing modules, using the "Layout ID" etc defined by CBUS

Individual UIDs allocated by automated requests

Range Delegating organization or person URL Comment
04 00 00 * * * OpenLCB Group Allocated through OpenLCB.org

Specifically assigned ranges

Range Delegating organization or person URL Comment
05 01 00 00 * * OpenLCB Group 8-bit assigned ranges
05 01 01 01 01 * David Harris
05 01 01 01 02 * Alex Shepherd
05 01 01 01 03 * Bob Jacobsen
05 01 01 01 04 * SPCoast For experimental and prototype efforts
05 01 01 01 05 * Greg Oberfield
05 01 01 01 06 * TCH Technology http://www.tchtechnology.com Hello, not sure I needed this, I already have a NMRA number. Thanks Tim
05 01 01 01 07 * Mustangpeak
05 01 01 01 08 * Tom Andersen
05 01 01 01 09 * Railflyer Technologies Inc.
05 01 01 01 0A * Telecom Paristech
05 01 01 01 0B * Geoffrey Crick
05 01 01 01 0C * Private Private layout
05 01 01 01 0D * Jan Hansen
05 01 01 01 0E * Digital Train Lab www.digitaltrainlab.com
05 01 01 01 0F * Renato Conca
05 01 01 01 10 * Emanuele Zampieri
05 01 01 01 11 * MicROCZEK Intent: to put an internet operated n-scale layout online.
05 01 01 01 12 * Mikael Sundin
05 01 01 01 13 * Luc Bos
05 01 01 01 14 * Balazs Racz Experimental / prototype development
05 01 01 01 15 * Texas Western Railroad Association
05 01 01 01 16 * Yuriy Gorvitovskiy
05 01 01 01 17 * Mustangpeak
05 01 01 01 18 * Balazs Racz https://github.com/bakerstu/openmrn Used for demo applications of the OpenMRN project which includes an OpenLCB implementation
05 01 01 01 19 * TxNamib www.TxNamib.com
05 01 01 01 1A * Evili del Rio i Silvan
05 01 01 01 1B * Model Railroad Control Systems http://www.modelrailroadcontrolsystems.com/
05 01 01 01 1C * CMRI SIG Yahoo cmri_users list for testing interworking with LCC
05 01 01 01 1D * TrainModules http://www.trainmodules.com/ TrainModules NaWi digital central contains CAN interface, and NMRANet/OpenLCB support can be choosed.
05 01 01 01 1E * Belmont Shore RR I really would like a larger range for this group ...
05 01 01 01 1F * 4D PNR HO Modular Group http://4dho.com/ LCC representative for our group.
05 01 01 01 20 * Gerard Croix for DIY use with Arduinos, thanks.
05 01 01 01 21 * ymrc
05 01 01 01 22 * Deepwoods Software http://www.deepsoft.com/
05 01 01 01 23 * Darren Inwood For campervan automation system development
05 01 01 01 24 * The Designing Cat LLC http://www.DesigningCat.com
05 01 01 01 25 * Dave Barraza NMRA Member ID: 146393 0A
05 01 01 01 26 * Phoenix-Micron Inc. http://www.layout-ioe.com
05 01 01 01 27 * Ryan Powers DIY LCC systems
05 01 01 01 28 * PCPrice AG Sensors and Signals
05 01 01 01 29 * Private Taree & District Model Railway Club
05 01 01 01 2A * David Parks
05 01 01 01 2B * DVBuild VOF (Scale Train Works) http://scaletrainworks.eu Working on a solution driven by the needs of Het Locje (http://hetlocje.org)
05 01 01 01 2C * Texas Northern Model Railroad Club http://www.modelrailroadclub.org Largest Club Layout in Dallas.
05 01 01 01 2D * Pedro Mota Gonzalez
05 01 01 01 2E * Bob McCown
05 01 01 01 2F * Terry Veldhuizen
05 01 01 01 30 * Lone Star Digital Studios LLC
05 01 01 01 31 * Otto Schreibke DIY use with self-developed nodes
05 01 01 01 32 * Enigma Technology Solutions Pty Ltd, Australia Development of Automation Solutions.
05 01 01 01 33 * Jack Cutler Juniata Secondary of PRR - Private Layout
05 01 01 01 34 * Amarillo Railroad Museum www.amarillorailmsueum.com Thank you for making these ID ranges available. Jerry Michels, Amarillo Railroad Museum
05 01 01 01 35 * David Lowe
05 01 01 01 36 * Marcus Spaccavento
05 01 01 01 37 * Gary Matthews
05 01 01 01 38 * Peripheral Dynamics Corp. www.peripheral-dynamics.com Electronics engineering firm exploring the creation of off-the-shelf and custom LCC layout electronics.
05 01 01 01 39 * Private Personal railroad.
05 01 01 01 3A * Detlef Kurpanek http://www.trainweb.org/gnw/ LCC integration on the Great Northwestern Railway, a private HO scale model railroad.
05 01 01 01 3B * WASF Railroad
05 01 01 01 3C * Pasadena Model Railroad Museum www.pmrrm.org Intended to differentiate events on members' railways versus club railway in the event that nodes spend time in different environments for testing or the like.
05 01 01 01 3D * Oak Stump Logging Co
05 01 01 01 3E * Markus Grigull
05 01 01 01 3F * Michael Dunston https://github.com/atanisoft/DCCppESP32 I'm looking to add LCC (OpenLCB) to the DCC++ESP32 base station and will need a unique ID range to provide as the default Node ID for the base station as well as for my own use on my layout. I'll be d
05 01 01 01 40 * Donald Kinney
05 01 01 01 41 * Self
05 02 * * * * OpenLCB Group 16-bit assigned ranges
05 02 01 02 * * Railstars
05 03 * * * * OpenLCB Group 24-bit assigned ranges

Locomotive control systems

Range Delegating organization or person URL Comment
06 00 * * * * OpenLCB Group DC system
06 01 * * * * OpenLCB Group DCC operated
06 02 * * * * OpenLCB Group TMCC operated
06 03 * * * * OpenLCB Group Marklin/Motorola system
06 04 * * * * OpenLCB Group MTH DCS