免费 · 开发
IPv4 子网计算.
IPv4 子网计算 — 无需注册，即可在浏览器中使用免费工具。
LOCAL PROCESSING · NO ACCOUNT
使用方法: IPv4 子网计算
输入数据或选择文件，调整设置并生成结果。复制或下载之前，请检查结果。
限制与支持格式
输入内容在您的设备上处理。货币换算仅发送货币代码，以获取带日期的参考汇率。
英语技术说明
IPv4 only. /31 follows point-to-point conventions; /32 represents a single address.
Calculate CIDR masks, address ranges and usable IPv4 hosts locally. IPv4 only. /31 follows point-to-point conventions; /32 represents a single address. Web Crypto uses the browser’s secure random generator; pasted data is not sent to a server.
Generate the supplied public example settings to inspect the result.