IPv4 Subnet Calculator
Enter a CIDR and get the network, broadcast, range, and usable hosts.
Type any IPv4 CIDR. We’ll compute the network, broadcast, mask, and usable host range.
关于此工具
Type a CIDR (e.g. 192.168.1.0/24) and get the network address, broadcast, first/last usable host, and the number of hosts. Top r/sysadmin and r/networking quick tool — the kind you reach for when you’re mid-incident.
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