IP 工具箱 IP 工具箱。可以查看本机IP、挂代理后的IP信息、检查 DNS 泄露、检查 WebRTC 连接、测试网站可用性等。An alternative to ip.skk.moe service.
mmdb_china_ip_list Geoip MaxMind Database for china ip list! This is also an example of generating MaxMind Database!
speedtest Self-hosted Speedtest for HTML5 and more. Easy setup, examples, configurable, mobile friendly. Supports PHP, Node, Multiple servers, and more