CIDR & Subnet Mask Converter

Quickly calculate the subnet mask, usable IP range, and broadcast address for a CIDR notation.

目前仅支持 IPv4 CIDR format解析

属性 (Property)Calculation 转换结果 (转换结果)操作
输入的 IP192.168.1.0
Subnet Mask (Netmask)255.255.255.0
Network Address (Network)192.168.1.0
Broadcast Address (Broadcast)192.168.1.255
可用 IP 范围192.168.1.1 - 192.168.1.254
可用 IP 数量254
总 IP 数量256

How to Use

  1. Enter an IP address with CIDR prefix (e.g. 192.168.1.0/24)
  2. The system automatically calculates the subnet info
  3. View results like number of IPs and address ranges

FAQ

Does it support IPv6?

This tool is primarily designed for quick IPv4 CIDR subnet calculations.

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