NetSweep Wi‑Fi Scanner support.
NetSweep for iPhone and iPad finds every device on your local network, names it, and lets you ping it, check its open ports and open its web page.
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Questions, bugs or ideas: mail hallo@steije.be. Mention your iPhone or iPad model and iOS version if something doesn't work.
The scan finds nothing
NetSweep needs Local Network access. iOS asks for it on first launch. If you declined, turn it on in Settings › Apps › NetSweep › Local Network, then pull down in the app to scan again. Also make sure you're on Wi‑Fi, not mobile data.
Why don't I see MAC addresses?
iOS doesn't let apps read the ARP table. NetSweep can only learn a MAC address (and the manufacturer) from devices that answer NetBIOS, which are mostly Windows PCs and NAS boxes. Many phones also use a private, randomized Wi‑Fi address.
A device is missing
NetSweep finds devices that answer ping or have a common port open. Devices that ignore both, or are asleep, won't show up. Try Wait for ping replies: Patient in Settings, or scan again when the device is in use.
Wake-on-LAN doesn't work
NetSweep sends the magic packet to the device's last known IP address. That works for most computers on the same network, but some need Wake-on-LAN enabled in their BIOS or network settings first.
Privacy
NetSweep collects no data. See the privacy policy.