网工计算器 vs OctetLab

功能介绍 1.子网计算快速计算子网掩码，网络和广播地址，主机范围，以及可用的主机数量。 2.VLSM计算变长子网掩码（VLSM）计算，支持更加灵活的IP地址分配。 3.进制转换实现IP地址的二进制、十进制以及各类数据常用进制之间的互转。 4.地址类型查询查询IP地址类型，包括公网、私网和保留地址。 使用说明 •打开应用，选择所需的计算功能。 •根据提示输入相关的IP地址或其他必要的信息。 •点击计算，获取结果。 •结果可复制到剪贴板或保存为文件。

OctetLab is a subnet calculator built for network engineers, sysadmins, and students who need answers in seconds, not spreadsheets. Enter an IPv4 or IPv6 address and instantly see the network address, broadcast address, usable host range, and subnet mask — broken down bit by bit in a visualizer you can tap to reshape the mask boundary by hand. Every calculation runs fully on-device: no accounts, no network calls, no ads. INCLUDED • Instant IPv4 subnet calculator with a tap-to-toggle binary bit visualizer — see and shape the mask boundary directly • Full IPv6 subnet support, including compressed and expanded address forms • Copy any result field or share a full subnet summary in one tap • Save your recent calculations to a running history PRO (ONE-TIME UNLOCK) • VLSM subnet splitter — divide a network into right-sized subnets by host count • Unlimited saved calculation history • Export subnet plans to CSV OctetLab does one job well: turning subnetting math into a clean, tappable interface — no lookup tables, no guesswork. Terms of Use (EULA): https://obelisk.club/subnetmaskcalculator/terms