Multicast Addresses
Multicast packets are identified by Class D IP addresses
Global range from 224.0.0.0 to 239.255.255.255
- Reserved: 224.0.0.0-224.0.0.255
- Internet-wide addresses: 224.0.1.0-238.255.255.255
- Local addresses: 239.0.0.0-239.255.255.255
Some special addresses
- 224.0.0.1: all multicast systems on a subnet
- 224.0.0.2: all multicast routers on a subnet