Tools › Subnet cheat sheet › /8
/8 subnet: mask and number of hosts
A /8 network has a subnet mask of 255.0.0.0 and 16,777,216 total addresses (16,777,214 usable hosts).
| Property | Value |
|---|---|
| Prefix | /8 |
| Subnet mask | 255.0.0.0 |
| Wildcard mask | 0.255.255.255 |
| Total addresses | 16,777,216 |
| Usable hosts | 16,777,214 |
| Equivalent /24 networks | 65536 |
When it is used
Class A size. Used for very large private ranges such as 10.0.0.0/8.