IP Lookup Guide: Find IP Address Location

Where is a website visitor from? Which city does that server log IP belong to? IP lookup answers in one second. Try DevToolbox IP Lookup.

✍️ Author:DevToolbox Team📅 Updated:2026-06-24📎 References:RFC Standards

📌 Key Takeaways

  • IP Lookup Guide: Find IP Address Location is widely used by developers
  • Based on RFC standards and real-world experience
  • Free online tools, runs locally, no data upload
  • FAQ section at the bottom answers common questions
✍️ Author:DevToolbox Team📅 Updated:2026-06-24📎 References:RFC Standards

📌 Key Takeaways

  • IP Lookup Guide: Find IP Address Location is widely used by developers
  • Based on RFC standards and real-world experience
  • Free online tools, runs locally, no data upload
  • FAQ section at the bottom answers common questions

What Can You Find?

Two Common Tools

Summary

Online IP lookup, no CLI needed.

Related: IP Lookup

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FAQ: Common Questions

Q: 如何查询 IP 地址归属地?

用 DevToolbox IP Lookup 工具。也可命令行 `curl ipinfo.io/8.8.8.8` 或 `nslookup IP`。国内有 ip.cn、ip138.com 等。

Q: IP 归属地查询准确吗?

城市级约 80% 准确,运营商 100% 准确,国家级几乎 100%。但 VPN/代理用户的归属地显示的是代理服务器位置,不是真实位置。

Q: IPv4 和 IPv6 有什么区别?

IPv4 用 32 位地址(约 43 亿个,2011 年耗尽),IPv6 用 128 位地址(3.4×10^38 个)。IPv6 更快、更安全,但需 ISP 和网站支持。