Subnet Calculatorv0.3.3

Enter an IP address in CIDR notation or with a subnet mask. All calculations run in your browser — no data is transmitted.

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IP / CIDR or IP + Mask

Examples: 192.168.1.0/24 · 10.0.0.0/8 · 172.16.0.0/12 · 192.168.1.0 255.255.255.0