/6 subnet
Mask 252.0.0.0 · 67,108,862 usable hosts · 67,108,864 addresses
| Subnet mask | 252.0.0.0 |
|---|---|
| Wildcard mask | 3.255.255.255 |
| Binary mask | 11111100.00000000.00000000.00000000 |
| Network / host bits | 6 / 26 |
| Total addresses | 67,108,864 |
| Usable hosts | 67,108,862 |
| Example | 192.168.10.77/6 → network 192.0.0.0, hosts 192.0.0.1 – 195.255.255.254, broadcast 195.255.255.255 |
Where /6 is used
A /6 is a less common size; it sits between /5 (134,217,728 addresses) and /7 (33,554,432 addresses).
Block boundaries: a /6 must start at a multiple of 67,108,864 addresses. Calculate any specific address in the subnet calculator.
Neighbouring prefixes
Questions
How many hosts in a /6?
67,108,864 addresses, of which 67,108,862 are usable (the first is the network address and the last is broadcast).
What is the subnet mask for /6?
252.0.0.0. In binary: 11111100.00000000.00000000.00000000. The wildcard (inverse) mask is 3.255.255.255.