# Well-known permanent multicast IP adresses

Introduction

IANA has assigned several ranges of multicast IP addresses for specific types of reasons:

- Permament multicast groups: 224.0.0.0 - 224.0.1.255
- Adresseses used with Source-Specific Multicast (SSM): 232.0.0.0 - 232.255.255.255
- GLOP addressing: 233.0.0.0 - 233.255.255.255
- Private multicast addresses: 239.0.0.0 - 239.255.255.255
- Transient multicast addresses: 224.0.2.0 - 231.255.255.255, 234.0.0.0 - 238.255.255.255

Permament multicast addresses

Dst IP         Usage     Protocol      Src port    Dst port
-----------------------------------------------------------
224.0.0.2      HSRP      UDP (17)      1985        1985
224.0.0.5      OSPF      OSPF (89)     -           -
224.0.0.6      OSPF      OSPF (89)     -           -
224.0.0.9      RIPv2     UDP (17)      520         520
224.0.0.10     EIGRP     EIGRP (88)    -           -
224.0.0.18     VRRP      VRRP (112)    -           -
224.0.0.102    HSRPv2    UDP (17)      1985        1985
224.0.0.102    GLBP      UDP (17)      3222        3222