Subnet Calculator

Exact subnet calculations: network and broadcast addresses, mask and wildcard, usable range, and splits by number of subnets or hosts per subnet.

• 1

  Network boundaries

  Network, broadcast, mask, wildcard and usable range.

• 2

  Splits

  Divide a block into a number of subnets or by hosts per subnet.

• 3

  Always exact

  Calculated, never estimated: no AI involved.