Class D IP Address Range
Class D covers all IPv4 addresses from 224.0.0.0 to 239.255.255.255, which means every address whose first number is between 224 and 239. Multicast: one sender delivers the same data to a group of devices (IPTV, streaming, routing protocols).
Class D at a glance
| Address range | 224.0.0.0 – 239.255.255.255 |
|---|---|
| First number | 224 – 239 |
| First bits | 1110 |
| Default subnet mask | Not used |
| Private range | None |
| Used for | Multicast: one sender delivers the same data to a group of devices (IPTV, streaming, routing protocols). |
Class D addresses are not given to single devices, so there is no default subnet mask and no host or network count.
Special addresses in Class D
224.0.0.1– All hosts on the local network.224.0.0.2– All routers on the local network.224.0.0.251– mDNS (Bonjour / .local names).239.255.255.250– SSDP, used by UPnP to find devices such as smart TVs.239.0.0.0/8– Administratively scoped (private) multicast.