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/26 Subnet Mask: 255.255.255.192

A /26 prefix fixes the first 26 bits of the address as the network, leaving 6 bits for hosts. That gives 64 addresses, of which 62 can be assigned to hosts.

CIDR notation/26
Subnet mask255.255.255.192
Wildcard mask0.0.0.63
Binary mask11111111.11111111.11111111.11000000
Hex mask0xFFFFFFC0
Total addresses64
Usable hosts62

Example: 192.168.1.0/26

  • Network address: 192.168.1.0
  • First usable host: 192.168.1.1
  • Last usable host: 192.168.1.62
  • Broadcast address: 192.168.1.63

When to use a /26 subnet

Small office networks or VLANs for a single team or device class, often created by splitting a /24 into equal parts.

  • 262,144 /26 subnets fit in a /8.
  • 1,024 /26 subnets fit in a /16.
  • 4 /26 subnets fit in a /24.

Frequently Asked Questions

What is the subnet mask for /26?

The subnet mask for /26 is 255.255.255.192, and its wildcard (inverse) mask is 0.0.0.63.

How many hosts are in a /26?

A /26 contains 64 addresses. Subtracting the network and broadcast addresses leaves 62 usable hosts.