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Fast Subnet Scanning
Scan /24, /16, or any CIDR range. Concurrent pings, ARP resolution, and hostname lookup run in parallel — a full /24 finishes in seconds.
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Device Identification
Automatically identifies manufacturer from MAC address. Instantly tells you if that unknown IP is a Cisco switch, a Synology NAS, or a Raspberry Pi.
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Device Detail Panel
Click any device to see expanded detail: open ports, hostname, response time, MAC vendor, and more — without leaving the app.
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Scan History
Every scan is saved automatically. Reload any previous result to compare what changed, spot new devices, or review a site visit weeks later.
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Export & Reporting
Export results to CSV or JSON. Save sessions as files to share with colleagues or attach to client reports. Your data, your format.
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Runs Offline, Stays Local
No cloud account. No telemetry. No data ever leaves your machine. SubnetSweep runs entirely on your device — ideal for air-gapped and secure environments.
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