| address | Description |
| 224.0.0.0 | Base Address (Reserved) |
| 224.0.0.1 | All Systems on this Subnet |
| 224.0.0.2 | All Routers on this Subnet |
| 224.0.0.3 | Unassigned |
| 224.0.0.4 | DVMRP Routers |
| 224.0.0.5 | OSPFIGP All Routers |
| 224.0.0.6 | OSPFIGP Designated Routers |
| 224.0.0.7 | ST Routers |
| 224.0.0.8 | ST Hosts |
| 224.0.0.9 | RIP2 Routers |
| 224.0.0.10 | IGRP Routers |
| 224.0.0.11 | Mobile-Agents |
| 224.0.0.12 “224.0.0.255 | Unassigned |
| 224.0.1.0 | VMTP Managers Group |
| 224.0.1.1 | NTP Network Time Protocol |
| 224.0.1.2 | SGI-Dogfight |
| 224.0.1.3 | Rwhod |
| 224.0.1.4 | VNP |
| 224.0.1.5 | Artificial Horizons ”Aviator |
| 224.0.1.6 | NSS ” Name Service Server |
| 224.0.1.7 | AUDIONEWS ”Audio News Multicast |
| 224.0.1.8 | SUN NIS+ Information Service |
| 224.0.1.9 | MTP Multicast Transport Protocol |
| 224.0.1.10 | IETF-1-LOW-AUDIO |
| 224.0.1.11 | IETF-1-AUDIO |
| 224.0.1.12 | IETF-1-VIDEO |
| 224.0.1.13 | IETF-2-LOW-AUDIO |
| 224.0.1.14 | IETF-2-AUDIO |
| 224.0.1.15 | IETF-2-VIDEO |
| 224.0.1.16 | MUSIC-SERVICE |
| 224.0.1.17 | SEANET-TELEMETRY |
| 224.0.1.18 | SEANET-IMAGE |
| 224.0.1.19 | MLOADD |
| 224.0.1.20 | any private experiment |
| 224.0.1.21 | DVMRP on MOSPF |
| 224.0.1.22 | SVRLOC |
| 224.0.1.23 | XINGTV |
| 224.0.1.24 | Microsoft-ds |
| 224.0.1.25 | NBC-pro |
| 224.0.1.26 | NBC-pfn |
| 224.0.1.27 “224.0.1.255 | Unassigned |
| 224.0.2.1 | "rwho" Group (BSD) ( unofficial ) |
| 224.0.2.2 | SUN RPC PMAPPROC_CALLIT |
| 224.0.3.000 “224.0.3.255 | RFE Generic Service |
| 224.0.4.000 “224.0.4.255 | RFE Individual Conferences |
| 224.0.5.000 “224.0.5.127 | CDPD Groups |
| 224.0.5.128 “224.0.5.255 | Unassigned |
| 224.0.6.000 “224.0.6.127 | Cornell ISIS Project |
| 224.0.6.128 “224.0.6.255 | Unassigned |
| 224.1.0.0 “224.1.255.255 | ST Multicast Groups |
| 224.2.0.0 “224.2.255.255 | Multimedia Conference Calls |
| 224.252.0.0 “224.255.255.255 | DIS transient groups |
| 232.0.0.0 “232.255.255.255 | VMTP transient groups |