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A tool to calculate network details for any IPv4 or IPv6 address and CIDR prefix. Get instant results for network address, subnet mask, usable hosts, and broadcast.
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Users need a quick and reliable way to calculate subnet details for IPv4 and IPv6 addresses.
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Every run, kept
Each relaunch keeps its own locked result and placement.
Every run, kept
Each relaunch keeps its own locked result and placement.
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2026-10-11
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