/13 Subnet
Subnet Mask
255.248.0.0
Wildcard Mask
0.7.255.255
Total IPs
524,288
Usable Hosts
524,286
Network Bits
13
Host Bits
19
About /13 Networks
Medium-to-large enterprise allocation. A /13 subnet uses the mask 255.248.0.0 and provides 524,286 usable host addresses out of 524,288 total IPs.
Example /13 Networks
| Network | Broadcast | First Host | Last Host |
|---|---|---|---|
| 10.0.0.0/13 | 10.7.255.255 | 10.0.0.1 | 10.7.255.254 |
| 172.16.0.0/13 | 172.23.255.255 | 172.16.0.1 | 172.23.255.254 |
| 192.168.0.0/13 | 192.175.255.255 | 192.168.0.1 | 192.175.255.254 |
| 192.168.0.0/13 | 192.175.255.255 | 192.168.0.1 | 192.175.255.254 |
| 8.8.0.0/13 | 8.15.255.255 | 8.8.0.1 | 8.15.255.254 |
Adjacent CIDRs
Frequently Asked Questions
What is a /13 subnet?
A /13 subnet uses the subnet mask 255.248.0.0 with 524,286 usable host addresses and 524,288 total IP addresses. It has 13 network bits and 19 host bits.
How many hosts in a /13 network?
A /13 network supports 524,286 usable hosts out of 524,288 total IP addresses. The usable range excludes the network address and broadcast address.
What subnet mask does /13 use?
A /13 subnet uses the mask 255.248.0.0 (wildcard mask 0.7.255.255). This means the first 13 bits identify the network and the remaining 19 bits identify hosts.