Internet Multicast Addresses

Host Extensions for IP Multicasting [RFC 1112] specifies the extensions required of a host implementation of the Internet Protocol (IP) to support multicasting. The multicast addressess are in the range 224.0.0.0 through 239.255.255.255. Current addresses are listed in the following text.

The range of addresses between 224.0.0.0 and 224.0.0.255, inclusive, is reserved for the use of routing protocols and other low-level topology discovery or maintenance protocols, such as gateway discovery and group membership reporting. Multicast routers should not forward any multicast datagram with destination addresses in this range, regardless of its TTL.

224.0.0.0	Base Address (Reserved)	[RFC1112,JBP]
224.0.0.1	All Systems on this Subnet	[RFC1112,JBP]
224.0.0.2	All Routers on this Subnet	[JBP]
224.0.0.3	Unassigned	[JBP]
224.0.0.4	DVMRP Routers	[RFC1075,JBP]
224.0.0.5	OSPFIGP OSPFIGP All Routers	[RFC2328,JXM1]
224.0.0.6	OSPFIGP OSPFIGP Designated Routers	[RFC2328,JXM1]
224.0.0.7	ST Routers	[RFC1190,KS14]
224.0.0.8	ST Hosts	[RFC1190,KS14]
224.0.0.9	RIP2 Routers	[RFC1723,GSM11]
224.0.0.10	IGRP Routers	[Farinacci]
224.0.0.11	Mobile-Agents	[Bill Simpson]
224.0.0.12	DHCP Server / Relay Agent	[RFC1884]
224.0.0.13	All PIM Routers	[Farinacci]
224.0.0.14	RSVP-ENCAPSULATION	[Braden]
224.0.0.15	all-cbt-routers	[Ballardie]
224.0.0.16	designated-sbm	[Baker]
224.0.0.17	all-sbms	[Baker]
224.0.0.18	VRRP	[Hinden]
224.0.0.19	IPAllL1ISs	[Przygienda]
224.0.0.20	IPAllL2ISs	[Przygienda]
224.0.0.21	IPAllIntermediate Systems	[Przygienda]
224.0.0.22	IGMP	[Deering]
224.0.0.23	GLOBECAST-ID	[Scannell]
224.0.0.24	Unassigned	[JBP]
224.0.0.25	router-to-switch	[Wu]
224.0.0.26	Unassigned	[JBP]
224.0.0.27	Al MPP Hello	[Martinicky]
224.0.0.28	ETC Control	[Polishinski]
224.0.0.29	GE-FANUC	[Wacey]
224.0.0.30	indigo-vhdp	[Caughie]
224.0.0.31	shinbroadband	[Kittivatcharapong]
224.0.0.32	digistar	[Kerkan]
224.0.0.33	ff-system-management	[Glanzer]
224.0.0.34	pt2-discover	[Kammerlander]
224.0.0.35	DXCLUSTER	[Koopman]
224.0.0.36-224.0.0.250	Unassigned	[JBP]
224.0.0.251	mDNS	[Cheshire]
224.0.0.252-224.0.0.255	Unassigned	[JBP]
224.0.1.0	VMTP Managers Group	[RFC1045,DRC3]
224.0.1.1	NTP Network Time Protocol	[RFC1119,DLM1]
224.0.1.2	SGI-Dogfight	[AXC]
224.0.1.3	Rwhod	[SXD]
224.0.1.4	VNP	[DRC3]
224.0.1.5	Artificial Horizons - Aviator	[BXF]
224.0.1.6	NSS - Name Service Server	[BXS2]
224.0.1.7	AUDIONEWS - Audio News Multicast	[MXF2]
224.0.1.8	SUN NIS+ Information Service	[CXM3]
224.0.1.9	MTP Multicast Transport Protocol	[SXA]
224.0.1.10	IETF-1-LOW-AUDIO	[SC3]
224.0.1.11	IETF-1-AUDIO	[SC3]
224.0.1.12	IETF-1-VIDEO	[SC3]
224.0.1.13	IETF-2-LOW-AUDIO	[SC3]
224.0.1.14	IETF-2-AUDIO	[SC3]
224.0.1.15	IETF-2-VIDEO	[SC3]
224.0.1.16	MUSIC-SERVICE	[Guido van Rossum]
224.0.1.17	SEANET-TELEMETRY	[Andrew Maffei]
224.0.1.18	SEANET-IMAGE	[Andrew Maffei]
224.0.1.19	MLOADD	[Braden]
224.0.1.20	any private experiment	[JBP]
224.0.1.21	DVMRP on MOSPF	[John Moy]
224.0.1.22	SVRLOC	[Veizades]
224.0.1.23	XINGTV	[Gordon]
224.0.1.24	microsoft-ds	<[e-mail]>
224.0.1.25	nbc-pro	<bloomer@ birch .crd.ge.com>
224.0.1.26	nbc-pfn	<[e-mail]>
224.0.1.27	lmsc-calren-1	[Uang]
224.0.1.28	lmsc-calren-2	[Uang]
224.0.1.29	lmsc-calren-3	[Uang]
224.0.1.30	lmsc-calren-4	[Uang]
224.0.1.31	ampr- info	[Janssen]
224.0.1.32	mtrace	[Casner]
224.0.1.33	RSVP-encap-1	[Braden]
224.0.1.34	RSVP-encap-2	[Braden]
224.0.1.35	SVRLOC-DA	[Veizades]
224.0.1.36	rln-server	[Kean]
224.0.1.37	proshare-mc	[Lewis]
224.0.1.38	dantz	[Zulch]
224.0.1.39	cisco-rp-announce	[Farinacci]
224.0.1.40	cisco-rp-discovery	[Farinacci]
224.0.1.41	gatekeeper	[Toga]
224.0.1.42	iberiagames	[Marocho]
224.0.1.43	nwn-discovery	[Zwemmer]
224.0.1.44	nwn-adaptor	[Zwemmer]
224.0.1.45	isma-1	[Dunne]
224.0.1.46	isma-2	[Dunne]
224.0.1.47	telerate	[Peng]
224.0.1.48	ciena	[Rodbell]
224.0.1.49	dcap-servers	[RFC2114]
224.0.1.50	dcap- clients	[RFC2114]
224.0.1.51	mcntp-directory	[Rupp]
224.0.1.52	mbone -vcr-directory	[Holfelder]
224.0.1.53	heartbeat	[Mamakos]
224.0.1.54	sun-mc-grp	[DeMoney]
224.0.1.55	extended-sys	[Poole]
224.0.1.56	pdrncs	[Wissenbach]
224.0.1.57	tns-adv-multi	[Albin]
224.0.1.58	vcals-dmu	[Shindoh]
224.0.1.59	zuba	[Jackson]
224.0.1.60	hp-device-disc	[Albright]
224.0.1.61	tms-production	[Gilani]
224.0.1.62	sunscalar	[Gibson]
224.0.1.63	mmtp-poll	[Costales]
224.0.1.64	compaq-peer	[Volpe]
224.0.1.65	iapp	[Meier]
224.0.1.66	multihasc-com	[Brockbank]
224.0.1.67	serv-discovery	[Honton]
224.0.1.68	mdhcpdisover	[RFC2730]
224.0.1.69	MMP-bundle-discovery1	[Malkin]
224.0.1.70	MMP-bundle-discovery2	[Malkin]
224.0.1.71	XYPOINT DGPS Data Feed	[Green]
224.0.1.72	GilatSkySurfer	[Gal]
224.0.1.73	SharesLive	[Rowatt]
224.0.1.74	NorthernData	[Sheers]
224.0.1.75	SIP	[Schulzrinne]
224.0.1.76	IAPP	[Moelard]
224.0.1.77	AGENTVIEW	[Iyer]
224.0.1.78	Tibco Multicast1	[Shum]
224.0.1.79	Tibco Multicast2	[Shum]
224.0.1.80	MSP	[Caves]
224.0.1.81	OTT (One-way Trip Time)	[Schwartz]]
224.0.1.82	TRACKTICKER	[Novick]
224.0.1.83	dtn-mc	[Gaddie]
224.0.1.84	jini-announcement	[Scheifler]
224.0.1.85	jini-request	[Scheifler]
224.0.1.86	sde-discovery	[Aronson]
224.0.1.87	DirecPC-SI	[Dillon]
224.0.1.88	B1RMonitor	[Purkiss]
224.0.1.89	3Com-AMP3 dRMON	[Banthia]
224.0.1.90	imFtmSvc	[Bhatti]
224.0.1.91	NQDS4	[Flynn]
224.0.1.92	NQDS5	[Flynn]
224.0.1.93	NQDS6	[Flynn]
224.0.1.94	NLVL12	[Flynn]
224.0.1.95	NTDS1	[Flynn]
224.0.1.96	NTDS2	[Flynn]
224.0.1.97	NODSA	[Flynn]
224.0.1.98	NODSB	[Flynn]
224.0.1.99	NODSC	[Flynn]
224.0.1.100	NODSD	[Flynn]
224.0.1.101	NQDS4R	[Flynn]
224.0.1.102	NQDS5R	[Flynn]
224.0.1.103	NQDS6R	[Flynn]
224.0.1.104	NLVL12R	[Flynn]
224.0.1.105	NTDS1R	[Flynn]
224.0.1.106	NTDS2R	[Flynn]
224.0.1.107	NODSAR	[Flynn]
224.0.1.108	NODSBR	[Flynn]
224.0.1.109	NODSCR	[Flynn]
224.0.1.110	NODSDR	[Flynn]
224.0.1.111	MRM	[Wei]
224.0.1.112	TVE-FILE	[Blackketter]
224.0.1.113	TVE-ANNOUNCE	[Blackketter]
224.0.1.114	Mac Srv Loc	[Woodcock]
224.0.1.115	Simple Multicast	[Crowcroft]
224.0.1.116	SpectraLinkGW	[Hamilton]
224.0.1.117	dieboldmcast	[Marsh]
224.0.1.118	Tivoli Systems	[Gabriel]
224.0.1.119	pq-lic- mcast	[Sledge]
224.0.1.120	HYPERFEED	[Kreutzjans]
224.0.1.121	Pipesplatform	[Dissett]
224.0.1.122	LiebDevMgmg-DM	[Velten]
224.0.1.123	TRIBALVOICE	[Thompson]
224.0.1.124	UDLR-DTCP	[Cipiere]
224.0.1.125	PolyCom Relay1	[Coutiere]
224.0.1.126	Infront Multi1	[Lindeman]
224.0.1.127	XRX DEVICE DISC	[Wang]
224.0.1.128	CNN	[Lynch]
224.0.1.129	PTP-primary	[Eidson]
224.0.1.130	PTP-alternate1	[Eidson]
224.0.1.131	PTP-alternate2	[Eidson]
224.0.1.132	PTP-alternate3	[Eidson]
224.0.1.133	ProCast	[Revzen]
224.0.1.134	3Com Discp	[White]
224.0.1.135	CS-Multicasting	[Stanev]
224.0.1.136	TS-MC-1	[Sveistrup]
224.0.1.137	Make Source	[Daga]
224.0.1.138	Teleborsa	[Strazzera]
224.0.1.139	SUMAConfig	[Wallach]
224.0.1.140	Unassigned
224.0.1.141	DHCP-SERVERS	[Hall]
224.0.1.142	CN Router-LL	[Armitage]
224.0.1.143	EMWIN	[Querubin]
224.0.1.144	Alchemy Cluster	[O'Rourke]
224.0.1.145	Satcast One	[Nevell]
224.0.1.146	Satcast Two	[Nevell]
224.0.1.147	Satcast Three	[Nevell]
224.0.1.148	Intline	[Sliwinski]
224.0.1.149	8x8 Multicast	[Roper]
224.0.1.150	Unassigned	[JBP]
224.0.1.151	Intline-1	[Sliwinski]
224.0.1.152	Intline-2	[Sliwinski]
224.0.1.153	Intline-3	[Sliwinski]
224.0.1.154	Intline-4	[Sliwinski]
224.0.1.155	Intline-5	[Sliwinski]
224.0.1.156	Intline-6	[Sliwinski]
224.0.1.157	Intline-7	[Sliwinski]
224.0.1.158	Intline-8	[Sliwinski]
224.0.1.159	Intline-9	[Sliwinski]
224.0.1.160	Intline-10	[Sliwinski]
224.0.1.161	Intline-11	[Sliwinski]
224.0.1.162	Intline-12	[Sliwinski]
224.0.1.163	Intline-13	[Sliwinski]
224.0.1.164	Intline-14	[Sliwinski]
224.0.1.165	Intline-15	[Sliwinski]
224.0.1.166	marratech-cc	[Parnes]
224.0.1.167	EMS-InterDev	[Lyda]
224.0.1.168	itb301	[Rueskamp]
224.0.1.169	rtv-audio	[Adams]
224.0.1.170	rtv-video	[Adams]
224.0.1.171	HAVI-Sim	[Wasserroth]
224.0.1.172-224.0.1.255	Unassigned	[JBP]
224.0.2.1	"rwho" Group (BSD) ( unofficial )	[JBP]
224.0.2.2	SUN RPC PMAPPROC_CALLIT	[BXE1]
224.0.2.064-224.0.2.095	SIAC MDD Service	[Tse]
224.0.2.096-224.0.2.127	CoolCast	[Ballister]
224.0.2.128-224.0.2.191	WOZ-Garage	[Marquardt]
224.0.2.192-224.0.2.255	SIAC MDD Market Service	[Lamberg]
224.0.3.000-224.0.3.255	RFE Generic Service	[DXS3]
224.0.4.000-224.0.4.255	RFE Individual Conferences	[DXS3]
224.0.5.000-224.0.5.127	CDPD Groups	[Bob Brenner]
224.0.5.128-224.0.5.191	SIAC Market Service	[Cho]
224.0.5.192-224.0.5.255	Unassigned	[IANA]
224.0.6.000-224.0.6.127	Cornell ISIS Project	[Tim Clark]
224.0.6.128-224.0.6.255	Unassigned	[IANA]
224.0.7.000-224.0.7.255	Where-Are-You	[Simpson]
224.0.8.000-224.0.8.255	INTV	[Tynan]
224.0.9.000-224.0.9.255	Invisible Worlds	[Malamud]
224.0.10.000-224.0.10.255	DLSw Groups	[Lee]
224.0.11.000-224.0.11.255	NCC.NET Audio	[ Rubin ]
224.0.12.000-224.0.12.063	Microsoft and MSNBC	[Blank]
224.0.13.000-224.0.13.255	UUNET PIPEX Net News	[Barber]
224.0.14.000-224.0.14.255	NLANR	[Wessels]
224.0.15.000-224.0.15.255	Hewlett Packard	[van der Meulen]
224.0.16.000-224.0.16.255	XingNet	[Uusitalo]
224.0.17.000-224.0.17.031	Mercantile & Commodity Exchange	[Gilani]
224.0.17.032-224.0.17.063	NDQMD1	[Nelson]
224.0.17.064-224.0.17.127	ODN-DTV	[Hodges]
224.0.18.000-224.0.18.255	Dow Jones	[Peng]
224.0.19.000-224.0.19.063	Walt Disney Company	[Watson]
224.0.19.064-224.0.19.095	Cal Multicast	[Moran]
224.0.19.096-224.0.19.127	SIAC Market Service	[Roy]
224.0.19.128-224.0.19.191	IIG Multicast	[Carr]
224.0.19.192-224.0.19.207	Metropol	[Crawford]
224.0.19.208-224.0.19.239	Xenoscience, Inc.	[Timm]
224.0.19.240-224.0.19.255	HYPERFEED	[Felix]
224.0.20.000-224.0.20.063	MS-IP/TV	[Wong]
224.0.20.064-224.0.20.127	Reliable Network Solutions	[Vogels]
224.0.20.128-224.0.20.143	TRACKTICKER Group	[Novick]
224.0.20.144-224.0.20.207	CNR Rebroadcast MCA	[Sautter]
224.0.21.000-224.0.21.127	Talarian MCAST	[Mendal]
224.0.22.000-224.0.22.255	WORLD MCAST	[Stewart]
224.0.252.000-224.0.252.255	Domain Scoped Group	[Fenner]
224.0.253.000-224.0.253.255	Report Group	[Fenner]
224.0.254.000-224.0.254.255	Query Group	[Fenner]
224.0.255.000-224.0.255.255	Border Routers	[Fenner]
224.1.0.0-224.1.255.255	ST Multicast Groups	[RFC1190,KS14]
224.2.0.0-224.2.127.253	Multimedia Conference Calls	[SC3]
224.2.127.254	APv1 Announcements	[SC3]
224.2.127.255	SAPv0 Announcements (deprecated)	[SC3]
224.2.128.0-224.2.255.255	SAP Dynamic Assignments	[SC3]
224.252.0.0-224.255.255.255	DIS transient groups	[Joel Snyder]
225.0.0.0-225.255.255.255	MALLOC (temp - renew 1/01)	[Handley]
232.0.0.0-232.255.255.255	VMTP transient group see single-source-multicast file	[DRC3]
233.0.0.0-233.255.255.255	Static Allocations (temp - renew 6/01)	[Meyer2]
239.000.000.000-239.255.255.255	Administratively Scoped	[IANA,RFC2365]
239.000.000.000-239.063.255.255	Reserved	[IANA]
239.064.000.000-239.127.255.255	Reserved	[IANA]
239.128.000.000-239.191.255.255	Reserved	[IANA]
239.192.000.000-239.251.255.255	Organization-Local Scope	[Meyer,RFC2365]
239.252.000.000-239.252.255.255	Site-Local Scope (reserved)	[Meyer,RFC2365]
239.253.000.000-239.253.255.255	Site-Local Scope (reserved)	[Meyer,RFC2365]
239.254.000.000-239.254.255.255	Site-Local Scope (reserved)	[Meyer,RFC2365]
239.255.000.000-239.255.255.255	Site-Local Scope	[Meyer,RFC2365]
239.255.002.002	rasadv	[Thaler]

There is a concept of relative addresses to be used with the scoped multicast addresses. These relative addresses are listed here:

Relative	Description	Reference
	SAP Session Announcement Protocol	[Handley]
1	MADCAP Protocol	[RFC2730]
2	SLPv2 Discovery	[Guttman]
3	MZAP	[Thaler]
4	Multicast Discovery of DNS Services	[Manning]
5	SSDP	[Goland]
6	DHCP v4	[Hall]
7	AAP	[Hanna]
8-252	Reserved - To be assigned by the IANA
253	Reserved
254-255	Reserved - To be assigned by the IANA

These addresses are listed in the Domain Name Service under MCAST.NET and 224.IN-ADDR.ARPA.

Note that when used on an Ethernet or IEEE 802 network, the 23 low-order bits of the IP Multicast address are placed in the low-order 23 bits of the Ethernet or IEEE 802 net multicast address 1.0.94.0.0.0. See the section on "IANA ETHERNET ADDRESS BLOCK."