/32 Subnet
Subnet Mask
255.255.255.255
Wildcard Mask
0.0.0.0
Total IPs
1
Usable Hosts
1
Network Bits
32
Host Bits
0
About /32 Networks
Host route — identifies a single device. A /32 subnet uses the mask 255.255.255.255 and provides 1 usable host addresses out of 1 total IPs.
Example /32 Networks
| Network | Broadcast | First Host | Last Host |
|---|---|---|---|
| 10.0.0.0/32 | 10.0.0.0 | 10.0.0.0 | 10.0.0.0 |
| 172.16.0.0/32 | 172.16.0.0 | 172.16.0.0 | 172.16.0.0 |
| 192.168.0.0/32 | 192.168.0.0 | 192.168.0.0 | 192.168.0.0 |
| 192.168.1.0/32 | 192.168.1.0 | 192.168.1.0 | 192.168.1.0 |
| 8.8.8.0/32 | 8.8.8.0 | 8.8.8.0 | 8.8.8.0 |
Adjacent CIDRs
Frequently Asked Questions
What is a /32 subnet?
A /32 subnet uses the subnet mask 255.255.255.255 with 1 usable host addresses and 1 total IP addresses. It has 32 network bits and 0 host bits.
How many hosts in a /32 network?
A /32 network supports 1 usable hosts out of 1 total IP addresses. The usable range excludes the network address and broadcast address (though /32 subnets are a special case).
What subnet mask does /32 use?
A /32 subnet uses the mask 255.255.255.255 (wildcard mask 0.0.0.0). This means the first 32 bits identify the network and the remaining 0 bits identify hosts.