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Home/ Tools/ IP Subnet Calculator

IP Subnet Calculator

Enter an IP address with subnet mask or CIDR notation to calculate network address, broadcast address, first/last usable host, and total host count.

How to Use

  1. Enter an IP address and CIDR prefix (e.g. 192.168.1.0/24).
  2. Click Calculate to see all subnet details.
  3. Copy any value you need.

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