Tools › Subnet cheat sheet › /28
/28 subnet: mask and number of hosts
A /28 network has a subnet mask of 255.255.255.240 and 16 total addresses (14 usable hosts).
| Property | Value |
|---|---|
| Prefix | /28 |
| Subnet mask | 255.255.255.240 |
| Wildcard mask | 0.0.0.15 |
| Total addresses | 16 |
| Usable hosts | 14 |
| Equivalent /24 networks | 1/16 of a /24 |
When it is used
16 addresses, 14 usable. Typical for a small group of servers.