IP Subnet Calculator

Essential for network engineers and IT professionals. Quickly calculate routing prefixes, subnet masks, and available IP ranges for any IPv4 network block.

Network Data

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Subnet Calculator

Enter an IPv4 address and select a CIDR routing prefix to see network details.

How to Use

  1. 1

    Enter IP

    Type in any valid IPv4 address (e.g., 192.168.1.50).

  2. 2

    Select Prefix

    Choose the CIDR routing prefix (e.g., /24) from the dropdown.

  3. 3

    View Details

    Instantly see the network address, broadcast IP, and usable host range.

Frequently Asked Questions

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