/22 Subnet
Subnet Mask
255.255.252.0
Wildcard Mask
0.0.3.255
Total IPs
1,024
Usable Hosts
1,022
Network Bits
22
Host Bits
10
About /22 Networks
Medium subnet — multi-floor office or building. A /22 subnet uses the mask 255.255.252.0 and provides 1,022 usable host addresses out of 1,024 total IPs.
Example /22 Networks
| Network | Broadcast | First Host | Last Host |
|---|---|---|---|
| 10.0.0.0/22 | 10.0.3.255 | 10.0.0.1 | 10.0.3.254 |
| 172.16.0.0/22 | 172.16.3.255 | 172.16.0.1 | 172.16.3.254 |
| 192.168.0.0/22 | 192.168.3.255 | 192.168.0.1 | 192.168.3.254 |
| 192.168.0.0/22 | 192.168.3.255 | 192.168.0.1 | 192.168.3.254 |
| 8.8.8.0/22 | 8.8.11.255 | 8.8.8.1 | 8.8.11.254 |
Adjacent CIDRs
Frequently Asked Questions
What is a /22 subnet?
A /22 subnet uses the subnet mask 255.255.252.0 with 1,022 usable host addresses and 1,024 total IP addresses. It has 22 network bits and 10 host bits.
How many hosts in a /22 network?
A /22 network supports 1,022 usable hosts out of 1,024 total IP addresses. The usable range excludes the network address and broadcast address.
What subnet mask does /22 use?
A /22 subnet uses the mask 255.255.252.0 (wildcard mask 0.0.3.255). This means the first 22 bits identify the network and the remaining 10 bits identify hosts.