/14 Subnet Mask
A /14 prefix means the subnet mask is 255.252.0.0. It has 18 host bits, giving 262,144 total addresses and 262,142 usable hosts.
/14 at a glance
| Property | Value |
|---|---|
| CIDR prefix | /14 |
| Subnet mask | 255.252.0.0 |
| Wildcard mask | 0.3.255.255 |
| Total addresses | 262,144 |
| Usable hosts | 262,142 |
| Host bits | 18 |
How it is calculated
A /14 sets the first 14 bits to 1 (network) and the remaining 18 bits to 0 (host). Usable hosts = 218 − 2 = 262,142.
The wildcard mask 0.3.255.255 is the inverse — used in Cisco ACLs and OSPF network statements.
Frequently asked questions
What is a /14 subnet mask?
A /14 equals 255.252.0.0 in dotted decimal (wildcard 0.3.255.255). It provides 262,144 total addresses and 262,142 usable hosts.
How many hosts are in a /14?
A /14 has 18 host bits, so it supports 262,142 usable hosts.
What is the wildcard mask for /14?
The wildcard (inverse) mask for /14 is 0.3.255.255, used in Cisco ACLs and OSPF statements.
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