IP Address Tools

Check your IP, validate IPv4/IPv6 and calculate subnets

IP Address Tools is a free online Developer tool. Check your IP, validate IPv4/IPv6 and calculate subnets Related terms: ip · ipv4 · ipv6 · 地址 · subnet · 子网. Use it on this page without signing in.

公网 IP
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本地 IP（局域网）
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通过 WebRTC 检测，部分浏览器/隐私模式可能无法获取
IP 格式校验
支持校验 IPv4（如 192.168.1.1）和 IPv6（如 2001:db8::1）。
IPv4 子网计算器
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网络地址192.168.1.0
广播地址192.168.1.255
子网掩码255.255.255.0
通配符0.0.0.255
可用主机数254
主机范围192.168.1.1 ~ 192.168.1.254
CIDR/24
Help

使用说明

  1. 自动展示本机公网/内网 IP 地址
  2. 在输入框填入 IP 可校验 IPv4/IPv6 格式合法性
  3. 输入 IP 与掩码可计算子网信息（网络地址、广播地址、可用范围）
  4. 结果可一键复制

常见问题

  • 数据处理安全吗？ 校验与计算本地完成；查询公网 IP 需请求接口
  • 公网 IP 不显示？ 可能处于内网/代理环境，接口访问受限
  • 支持 IPv6 吗？ 支持双栈格式校验与子网计算

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FAQ about IP Address Tools

What can IP Address Tools do?

IP Address Tools is a Developer tool. Check your IP, validate IPv4/IPv6 and calculate subnets You can finish the job on this page.

Who should use IP Address Tools?

Anyone handling ip · ipv4 · ipv6 · 地址 · subnet · 子网 who does not want to install desktop software can use IP Address Tools in the browser.

Is IP Address Tools safe? Is my data uploaded?

This tool runs in your browser. We do not collect the content you enter into IP Address Tools just because you used it.

What similar tools exist?

Related tools in the same Developer group are listed at the bottom of this page.