Subnet Calculator

Calculate network details from an IP address and CIDR prefix.

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Network Address
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Broadcast Address
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First Host
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Last Host
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Subnet Mask
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Wildcard Mask
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Total Hosts
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Usable Hosts
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CIDR Quick Reference

CIDR Subnet Mask Hosts
/24255.255.255.0254
/25255.255.255.128126
/26255.255.255.19262
/27255.255.255.22430
/28255.255.255.24014
/29255.255.255.2486

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