子網路計算器

使用方法

1. Select IPv4 or IPv6 using the segmented control。
2. Enter an IP address with a CIDR prefix in the input field (e.g. 192.168.1.10/24 or 2001:db8::/32)。
3. Read the results: network address, broadcast address, netmask, usable host range, and total/usable host count。
4. Share the pre-filled calculation via the share link。
5. All computation runs in your browser。

範例

• Entering 192.168.1.10/24 shows network 192.168.1.0, broadcast 192.168.1.255, netmask 255.255.255.0, and 254 usable hosts。
• Entering 10.0.0.0/8 shows a class A network with over 16 million usable host addresses。