/18 Subnet Mask Reference (255.255.192.0)
Custom CIDR block with 16,384 total IPv4 addresses (16,382 usable host IPs) for VLSM allocation.
| CIDR Prefix | /18 |
|---|---|
| Subnet Mask | 255.255.192.0 |
| Wildcard Mask (Cisco / ACL) | 0.0.63.255 |
| Total IPv4 Addresses | 16,384 |
| Usable Host IPs | 16,382 |
| Binary Subnet Mask | 11111111.11111111.11000000.00000000 |
| Example Block (10.0.0.0/18) | 10.0.0.0 – 10.0.63.255 |
| Example Usable Hosts | 10.0.0.1 – 10.0.63.254 |
Need to compute custom IP ranges? Try the Interactive Subnet Calculator or VLSM Splitter.