Class E IP Address Range
Class E covers all IPv4 addresses from 240.0.0.0 to 255.255.255.255, which means every address whose first number is between 240 and 255. Reserved for experiments and future use; not used on the public internet.
Class E at a glance
| Address range | 240.0.0.0 – 255.255.255.255 |
|---|---|
| First number | 240 – 255 |
| First bits | 1111 |
| Default subnet mask | Not used |
| Private range | None |
| Used for | Reserved for experiments and future use; not used on the public internet. |
Class E addresses are not given to single devices, so there is no default subnet mask and no host or network count.
Special addresses in Class E
240.0.0.0/4– Reserved for future use; most devices refuse these addresses.255.255.255.255– Limited broadcast: a message to every device on the local network.