Tools › Subnet cheat sheet › /27
/27 subnet: mask and number of hosts
A /27 network has a subnet mask of 255.255.255.224 and 32 total addresses (30 usable hosts).
| Property | Value |
|---|---|
| Prefix | /27 |
| Subnet mask | 255.255.255.224 |
| Wildcard mask | 0.0.0.31 |
| Total addresses | 32 |
| Usable hosts | 30 |
| Equivalent /24 networks | 1/8 of a /24 |
When it is used
An eighth of a /24. Common for small DMZs and cloud subnets.