Subnet Calculator
Calculate network address, broadcast, usable hosts and mask from IP and CIDR prefix.
Instructions
How to Use\n1. Enter an IP address\n2. Enter a CIDR prefix (e.g. 24)\n3. Network address, broadcast address and usable host range are calculated automatically
❓ FAQ
Does it support IPv6?
Currently IPv4 is supported; IPv6 will come later.
What is CIDR?
For example, 192.168.1.0/24 means the network prefix length is 24 bits.
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