Tools › Subnet cheat sheet › /23
/23 subnet: mask and number of hosts
A /23 network has a subnet mask of 255.255.254.0 and 512 total addresses (510 usable hosts).
| Property | Value |
|---|---|
| Prefix | /23 |
| Subnet mask | 255.255.254.0 |
| Wildcard mask | 0.0.1.255 |
| Total addresses | 512 |
| Usable hosts | 510 |
| Equivalent /24 networks | 2 |
When it is used
Two /24 networks combined, handy when a /24 is just too small.