Multicast (including Broadcast) Addresses

Since any vendor with a vendor block, can use that for a unique multicast (group) address block, you may want to also check the vendor page if you don't find what you are looking for here.
Ethernet		Type	
Address			Field	Usage

Multicast Addresses:

01-00-0C-CC-CC-CC	-802-	CDP (Cisco Discovery Protocol), VTP (Virtual Trunking Protocol)
01-00-0C-DD-DD-DD	????	CGMP (Cisco Group Management Protocol)
01-00-10-00-00-20	-802-	Hughes Lan Systems Terminal Server S/W download
01-00-10-FF-FF-20	-802-	Hughes Lan Systems Terminal Server S/W request
01-00-1D-00-00-00	-802-	Cabletron PC-OV PC discover (on demand)
01-00-1D-42-00-00	-802-	Cabletron PC-OV Bridge discover (on demand)
01-00-1D-52-00-00	-802-	Cabletron PC-OV MMAC discover (on demand)
01-00-3C-xx-xx-xx	????	Auspex Systems (Serverguard)
01-00-5E-00-00-00	0800	DoD Internet Multicast (RFC-1112)
01-00-5E-80-00-00	????	DoD Internet reserved by IANA
01-00-81-00-00-00	????	Synoptics Network Management
01-00-81-00-00-02	????	Synoptics Network Management
01-00-81-00-01-00	-802-	(snap type 01A2) Bay Networks (Synoptics) autodiscovery
01-00-81-00-01-01	-802-	(snap type 01A1) Bay Networks (Synoptics) autodiscovery
01-20-25-00-00-00       873A    Control Technology Inc's Industrial Ctrl Proto.
01-80-24-00-00-00	8582	Kalpana Etherswitch every 60 seconds
01-80-C2-00-00-00	-802-	Spanning tree (for bridges)
01-80-C2-00-00-01	-802-	802.1 alternate Spanning multicast
01-80-C2-00-00-10	-802-	Bridge Management
01-80-C2-00-00-11	-802-	Load Server
01-80-C2-00-00-12	-802-	Loadable Device
01-80-C2-00-00-14	-802-	OSI Route level 1 (within area) IS hello?
01-80-C2-00-00-15	-802-	OSI Route level 2 (between area) IS hello?
01-80-C2-00-01-00	-802-	FDDI RMT Directed Beacon
01-80-C2-00-01-10	-802-	FDDI status report frame
01-DD-00-FF-FF-FF       7002    Ungermann-Bass boot-me requests
01-DD-01-00-00-00       7005    Ungermann-Bass Spanning Tree
	[ The following block of addresses (03-...) are used by various	]
	[ standards.  Some (marked [TR?]) are suspected of only being	]
	[ used on Token Ring for group addresses of Token Ring specific	]
	[ functions, reference ISO 8802-5:1995 aka. IEEE 802.5:1995 for	]
	[ some info.  These in the Ethernet order for this list.  On	]
	[ Token Ring they appear reversed.  They should never appear on	]
	[ Ethernet.  Others, not so marked, are normal reports (may be	]
	[ seen on either).						]
03-00-00-00-00-01	-802-	NETBIOS [TR?]
03-00-00-00-00-02	-802-	Locate - Directory Server [TR?]
03-00-00-00-00-04	-802-	Synchronous Bandwidth Manager [TR?]
03-00-00-00-00-08	-802-	Configuration Report Server [TR?]
03-00-00-00-00-10	-802-	Ring Error Monitor [TR?]
03-00-00-00-00-10       80D5    (OS/2 1.3 EE + Communications Manager)
03-00-00-00-00-20	-802-	Network Server Heartbeat [TR?]
03-00-00-00-00-40	-802-	Ring Parameter Monitor [TR?]
03-00-00-00-00-40       80D5    (OS/2 1.3 EE + Communications Manager)
03-00-00-00-00-80	-802-	Active Monitor [TR?]
03-00-00-00-01-00       -802-   OSI All-IS Multicast
03-00-00-00-02-00       -802-   OSI All-ES Multicast
03-00-00-00-04-00	-802-	LAN Manager [TR?]
03-00-00-00-08-00	-802-	Ring Wiring Concentrator [TR?]
03-00-00-00-10-00	-802-	LAN Gateway [TR?]
03-00-00-00-20-00	-802-	Ring Authorization Server [TR?]
03-00-00-00-40-00	-802-	IMPL Server [TR?]
03-00-00-00-80-00	-802-	Bridge [TR?]
03-00-00-01-00-00	-802-
   through			user-defined (per 802 spec?)
03-00-40-00-00-00	-802-
03-00-00-20-00-00       -802-   IP Multicast Address (RFC1469)
03-00-00-80-00-00       -802-   Discovery Client
03-00-FF-FF-FF-FF       -802-   All Stations Address
09-00-02-04-00-01?	8080?	Vitalink printer messages
09-00-02-04-00-02?	8080?	Vitalink bridge management
09-00-07-00-00-00	-802-	AppleTalk Zone multicast addresses
09-00-07-FF-FF-FF	-802-	AppleTalk broadcast address
09-00-09-00-00-01	8005	HP Probe
09-00-09-00-00-01	-802-	HP Probe
09-00-09-00-00-04	8005?	HP DTC
09-00-0D-XX-XX-XX	-802-	ICL Oslan Multicast
09-00-0D-02-00-00	????	ICL Oslan Service discover only on boot
09-00-0D-02-0A-38	????	ICL Oslan Service discover only on boot
09-00-0D-02-0A-39	????	ICL Oslan Service discover only on boot
09-00-0D-02-0A-3C	????	ICL Oslan Service discover only on boot
09-00-0D-02-FF-FF	????	ICL Oslan Service discover only on boot
09-00-0D-09-00-00	????	ICL Oslan Service discover as required
09-00-1E-00-00-00	8019?	Apollo DOMAIN
09-00-26-01-00-01?	8038	Vitalink TransLAN bridge management
09-00-2B-00-00-00	6009?	DEC MUMPS?
09-00-2B-00-00-01	8039	DEC DSM/DDP
09-00-2B-00-00-02	803B?	DEC VAXELN?
09-00-2B-00-00-03	8038	DEC Lanbridge Traffic Monitor (LTM)
09-00-2B-00-00-04	????	DEC MAP (or OSI?) End System Hello?
09-00-2B-00-00-05	????	DEC MAP (or OSI?) Intermediate System Hello?
09-00-2B-00-00-06	803D?	DEC CSMA/CD Encryption?
09-00-2B-00-00-07	8040?	DEC NetBios Emulator?
09-00-2B-00-00-0F	6004	DEC Local Area Transport (LAT)
09-00-2B-00-00-1x	????	DEC Experimental
09-00-2B-01-00-00	8038	DEC LanBridge Copy packets (All bridges)
09-00-2B-01-00-01	8038	DEC LanBridge Hello packets (All local bridges)
				1 packet per second, sent by the
				designated LanBridge
09-00-2B-02-00-00	????	DEC DNA Level 2 Routing Layer routers?
09-00-2B-02-01-00	803C?	DEC DNA Naming Service Advertisement?
09-00-2B-02-01-01	803C?	DEC DNA Naming Service Solicitation?
09-00-2B-02-01-09	8048	DEC Availability Manager for Distributed Systems DECamds
09-00-2B-02-01-02	803E?	DEC Distributed Time Service
09-00-2B-03-xx-xx	????	DEC default filtering by bridges?
09-00-2B-04-00-00	8041?	DEC Local Area System Transport (LAST)?
09-00-2B-23-00-00	803A?	DEC Argonaut Console?
09-00-39-00-70-00?	????	Spider Systems Bridge Hello packet?
09-00-4C-00-00-00	-802-	BICC 802.1 management
09-00-4C-00-00-02	-802-	BICC 802.1 management
09-00-4C-00-00-06	-802-	BICC Local bridge STA 802.1(D) Rev6
09-00-4C-00-00-0C	-802-	BICC Remote bridge STA 802.1(D) Rev8
09-00-4C-00-00-0F	-802-	BICC Remote bridge ADAPTIVE ROUTING (e.g. to Retix)
09-00-4E-00-00-02?	8137?	Novell IPX (BICC?)
09-00-56-00-00-00	????	Stanford reserved
09-00-56-FF-00-00	805C	Stanford V Kernel, version 6.0
09-00-6A-00-01-00	????	TOP NetBIOS.
09-00-77-00-00-00	-802-	Retix Bridge Local Management System
09-00-77-00-00-01	-802-	Retix spanning tree bridges 
09-00-77-00-00-02	-802-	Retix Bridge Adaptive routing
09-00-7C-01-00-01	????	Vitalink DLS Multicast
09-00-7C-01-00-03	????	Vitalink DLS Inlink
09-00-7C-01-00-04	????	Vitalink DLS and non DLS Multicast
09-00-7C-02-00-05	8080?	Vitalink diagnostics
09-00-7C-05-00-01	8080?	Vitalink gateway?
09-00-7C-05-00-02	????	Vitalink Network Validation Message
09-00-87-80-FF-FF       0889    Xyplex Terminal Servers
09-00-87-90-FF-FF       0889    Xyplex Terminal Servers
0D-1E-15-BA-DD-06	????	HP
33-33-00-00-00-00	86DD	IPv6 Neighbor Discovery
AB-00-00-01-00-00	6001	DEC Maintenance Operation Protocol (MOP)
				Dump/Load Assistance
AB-00-00-02-00-00	6002	DEC Maintenance Operation Protocol (MOP)
				Remote Console
				1 System ID packet every 8-10 minutes, by every:
				DEC LanBridge
				DEC DEUNA interface
				DEC DELUA interface
				DEC DEQNA interface (in a certain mode)
AB-00-00-03-00-00	6003	DECNET Phase IV end node Hello packets
				1 packet every 15 seconds, sent by each DECNET host
AB-00-00-04-00-00	6003	DECNET Phase IV Router Hello packets
				1 packet every 15 seconds, sent by the DECNET router
AB-00-00-05-00-00	????	Reserved DEC
AB-00-03-00-00-00	6004	DEC Local Area Transport (LAT) - old
AB-00-04-00-xx-xx	????	Reserved DEC customer private use
AB-00-04-01-xx-yy	6007	DEC Local Area VAX Cluster groups
				System Communication Architecture (SCA)
	[ Note, used to have a bunch of things here starting C0, but	]
	[ these were bit reversed from Ethernet order and Token Ring	]
	[ specific.  See above under 03 for them in Ethernet order/	]
CF-00-00-00-00-00	9000	Ethernet Configuration Test protocol (Loopback)
FF-FF-00-60-00-04	81D6	Lantastic
FF-FF-00-40-00-01	81D6	Lantastic
FF-FF-01-E0-00-04	81D6	Lantastic

Broadcast Address:

FF-FF-FF-FF-FF-FF	0600	XNS packets, Hello or gateway search?
				6 packets every 15 seconds, per XNS station
FF-FF-FF-FF-FF-FF	0800	IP (e.g. RWHOD via UDP) as needed
FF-FF-FF-FF-FF-FF	0806	ARP (for IP and CHAOS) as needed
FF-FF-FF-FF-FF-FF	1600	VALID packets, Hello or gateway search?
				1 packets every 30 seconds, per VALID station
FF-FF-FF-FF-FF-FF	8035	Reverse ARP
FF-FF-FF-FF-FF-FF	807C	Merit Internodal (INP)
FF-FF-FF-FF-FF-FF	809B	EtherTalk
FF-FF-FF-FF-FF-FF	9001	3Com (ex Bridge) Name Service
FF-FF-FF-FF-FF-FF	9002	3Com PCS/TCP Hello, Approx. 1 per minute per w/s

Ethernet codes: [main page] [acknowledgements] [type codes] [vendor codes]
Updates and comments can be sent to, more details on the main page.

Server: [home page] [Up page]
Michael Patton's Internet consulting pages.

Revision info

The following revision info indicates when this page was last updated. Each page has it's own revision date. The best place to look for an overall revision date is the combined text file.
$Revision: 2.14 $
$Date: 1999/03/09 11:34:15 $
$Author: map $
$Id: multicast.html,v 2.14 1999/03/09 11:34:15 map Exp $