# XNat — NAT Behavior tester

> NAT Behavior tester (iPhone/iPad app by Lampman Yao.)

- Source: https://appshunter.io/ios/app/xnat/id6754518015 (this page in markdown: same URL + `.md`)
- Developer: [Lampman Yao](https://appshunter.io/developer/1361537230)
- Category: Utilities, Developer Tools
- Price: $0.99 (on sale, was $1.99)
- Age rating: 4+
- Requires: iOS 26.0 · 1 MB
- Languages: American English
- Released: 2025-10-29
- Data updated: 2026-06-06
- User reviews in markdown: https://appshunter.io/ios/app/xnat/id6754518015/reviews.md

## What is XNat?

- Find out the internal address and external address of your device.
- Test the behavior of upstream NAT.
- Manager stun server.


## Version history (last 1 release)

### 1.0.0 — 2025-10-29

No release notes.

## More apps by Lampman Yao

- [Sysinstrument](https://appshunter.io/ios/app/sysinstrument/id1449377928)
- [Xssh](https://appshunter.io/ios/app/xssh/id1481483157)
- [Xnettool](https://appshunter.io/ios/app/xnettool/id1547651067)
- [Xany](https://appshunter.io/ios/app/xany/id6474091699)
- [Xany VNC](https://appshunter.io/ios/app/xany-vnc/id6514319627)

All apps by Lampman Yao: https://appshunter.io/developer/1361537230

## Related topics

[xnat](https://appshunter.io/ios/topics/xnat)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-06.*