Toolbox
Subnet Calculator
Network
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Broadcast
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Subnet mask
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Wildcard mask
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First host
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Last host
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Usable hosts
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Total addresses
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Address type
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Binary
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subnets
| # | Network | First host | Last host | Broadcast |
|---|
IPv4 only; usable hosts follow the usual subnet rules (/31 and /32 are special-cased).
Calculate network and broadcast address, subnet and wildcard masks, usable host range and address type from an IPv4 CIDR, and split the network into equal subnets.