/27 Subnet Mask Reference (255.255.255.224)
Small server rack or Kubernetes node pool (30 usable hosts).
| CIDR Prefix | /27 |
|---|---|
| Subnet Mask | 255.255.255.224 |
| Wildcard Mask (Cisco / ACL) | 0.0.0.31 |
| Total IPv4 Addresses | 32 |
| Usable Host IPs | 30 |
| Binary Subnet Mask | 11111111.11111111.11111111.11100000 |
| Example Block (10.0.0.0/27) | 10.0.0.0 – 10.0.0.31 |
| Example Usable Hosts | 10.0.0.1 – 10.0.0.30 |
Need to compute custom IP ranges? Try the Interactive Subnet Calculator or VLSM Splitter.