LinkBeacon

Open-source Android toolkit for network analysis, diagnostics, and troubleshooting.

Core principles Open source Privacy first No ads No account required Local first Network diagnostic data is not uploaded, and app-local data does not participate in system cloud backup by default

Privacy All network test results are stored locally. No account required. No network data upload. App-local data does not participate in Android system cloud backup by default.

LinkBeacon 是一个开源 Android 网络分析与故障诊断工具箱，帮助用户了解网络状态、执行针对性的本地检测，并获得排障参考。它不是自动修复工具，也不承诺自动准确诊断所有网络故障。

✅ Home：网络状态摘要、快速工具与最近诊断 ✅ Tools：Ping、DNS、TCP、Traceroute、IPv4 Subnet Calculator、LAN Scanner ✅ Devices：当前网络下的 LAN Device Center ✅ Device Center：设备详情、本地 Saved Devices、Favorites、Custom Names ✅ Device Search / Filters ✅ Wake-on-LAN：设备详情手动唤醒与已保存设备 Quick Wake ✅ Automatic Diagnostics 与 Diagnostic Report ✅ 本地 History、报告文本复制、PDF 保存与分享 ✅ Ping（网络质量、连续检测与详细统计） ✅ DNS Lookup（A、AAAA、CNAME、MX、TXT 与 TTL） ✅ TCP Port Check ✅ LAN Scanner（当前网络与 RFC1918 自定义 IPv4 范围，单次最多 254 个地址） ✅ IPv4 Traceroute ✅ LAN Device Identification（Reverse DNS、mDNS/Bonjour、SSDP/UPnP）