/6 Subnet
Subnet Mask
252.0.0.0
Wildcard Mask
3.255.255.255
Total IPs
67,108,864
Usable Hosts
67,108,862
Network Bits
6
Host Bits
26
About /6 Networks
Extremely large allocation, rarely used outside global routing. A /6 subnet uses the mask 252.0.0.0 and provides 67,108,862 usable host addresses out of 67,108,864 total IPs.
Example /6 Networks
| Network | Broadcast | First Host | Last Host |
|---|---|---|---|
| 8.0.0.0/6 | 11.255.255.255 | 8.0.0.1 | 11.255.255.254 |
| 172.0.0.0/6 | 175.255.255.255 | 172.0.0.1 | 175.255.255.254 |
| 192.0.0.0/6 | 195.255.255.255 | 192.0.0.1 | 195.255.255.254 |
| 192.0.0.0/6 | 195.255.255.255 | 192.0.0.1 | 195.255.255.254 |
| 8.0.0.0/6 | 11.255.255.255 | 8.0.0.1 | 11.255.255.254 |
Adjacent CIDRs
Frequently Asked Questions
What is a /6 subnet?
A /6 subnet uses the subnet mask 252.0.0.0 with 67,108,862 usable host addresses and 67,108,864 total IP addresses. It has 6 network bits and 26 host bits.
How many hosts in a /6 network?
A /6 network supports 67,108,862 usable hosts out of 67,108,864 total IP addresses. The usable range excludes the network address and broadcast address.
What subnet mask does /6 use?
A /6 subnet uses the mask 252.0.0.0 (wildcard mask 3.255.255.255). This means the first 6 bits identify the network and the remaining 26 bits identify hosts.