/19 Subnet
Subnet Mask
255.255.224.0
Wildcard Mask
0.0.31.255
Total IPs
8,192
Usable Hosts
8,190
Network Bits
19
Host Bits
13
About /19 Networks
Medium enterprise or data center allocation. A /19 subnet uses the mask 255.255.224.0 and provides 8,190 usable host addresses out of 8,192 total IPs.
Example /19 Networks
| Network | Broadcast | First Host | Last Host |
|---|---|---|---|
| 10.0.0.0/19 | 10.0.31.255 | 10.0.0.1 | 10.0.31.254 |
| 172.16.0.0/19 | 172.16.31.255 | 172.16.0.1 | 172.16.31.254 |
| 192.168.0.0/19 | 192.168.31.255 | 192.168.0.1 | 192.168.31.254 |
| 192.168.0.0/19 | 192.168.31.255 | 192.168.0.1 | 192.168.31.254 |
| 8.8.0.0/19 | 8.8.31.255 | 8.8.0.1 | 8.8.31.254 |
Adjacent CIDRs
Frequently Asked Questions
What is a /19 subnet?
A /19 subnet uses the subnet mask 255.255.224.0 with 8,190 usable host addresses and 8,192 total IP addresses. It has 19 network bits and 13 host bits.
How many hosts in a /19 network?
A /19 network supports 8,190 usable hosts out of 8,192 total IP addresses. The usable range excludes the network address and broadcast address.
What subnet mask does /19 use?
A /19 subnet uses the mask 255.255.224.0 (wildcard mask 0.0.31.255). This means the first 19 bits identify the network and the remaining 13 bits identify hosts.