Multicast IP List
Introduction
This page contains all the Multicast IP Addresses
and shows what protocol they are mapped to. Should
you ever use a packet sniffer to try and see what's
on the network and you capture a packet with a
destination IP Address of 224.X.X.X, then simply
look up this list and you will know what the purpose
of that packet was :)
Internet Multicast Addressess
Host Extensions for IP Multicasting [RFC1112]
specifies the extensions required of a host
implementation of the Internet Protocol (IP) to
support multicasting. Current addresses are listed
below.
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 [RFC1583,JXM1]
224.0.0.6 OSPFIGP OSPFIGP Designated Routers
[RFC1583,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 [Dino Farinacci]
224.0.0.11 Mobile-Agents [Bill Simpson]
224.0.0.12 DHCP Server / Relay Agent [RFC1884]
224.0.0.12 - 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 <hgxing@aol.com>
224.0.1.24 microsoft-ds <arnoldm@microsoft.com>
224.0.1.25 nbc-pro <bloomer@birch.crd.ge.com>
224.0.1.26 nbc-pfn <bloomer@birch.crd.ge.com>
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 - 224.0.1.255 Unassigned [JBP]
224.0.2.1 "rwho" Group (BSD) (unofficial) [JBP]
224.0.2.2 SUN RPC PMAPPROC_CALLIT [BXE1]
224.0.3.000-224.0.3.255 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]
224.0.5.128-224.0.5.255 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 Internet Railroad [Malamud]
224.1.0.0-224.1.255.255 ST Multicast Groups
[RFC1190,KS14]
224.2.0.0-224.2.255.255 Multimedia Conference Calls
[SC3]
224.252.0.0-224.255.255.255 DIS transient groups
[Joel Snyder]
232.0.0.0-232.255.255.255 VMTP transient groups
[RFC1045,DRC3]
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".
REFERENCES
[RFC1045] Cheriton, D., "VMTP: Versatile Message
Transaction
Protocol Specification", RFC 1045, Stanford
University,
February 1988.
[RFC1075] Waitzman, D., C. Partridge, and S. Deering
"Distance Vector
Multicast Routing Protocol", RFC-1075, BBN STC,
Stanford
University, November 1988.
[RFC1112] Deering, S., "Host Extensions for IP
Multicasting",
STD 5, RFC 1112, Stanford University, August 1989.
[RFC1119] Mills, D., "Network Time Protocol (Version
1), Specification
and Implementation", STD 12, RFC 1119, University of
Delaware, July 1988.
[RFC1190] Topolcic, C., Editor, "Experimental
Internet Stream
Protocol, Version 2 (ST-II)", RFC 1190, CIP Working
Group,
October 1990.
[RFC1583] Moy, J., "The OSPF Specification", RFC
1583, Proteon,
March 1994.
[RFC1723] Malkin, G., "RIP Version 2: Carying
Additional Information",
RFC 1723, Xylogics, November 1994.
[RFC1884] Hinden, R., and S. Deering, "IP Version 6
Addressing
Architecture", RFC 1884, Ipsilon Networks, Xerox
PARC,
December 1995.
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