I was scanning devices connected to my WiFi with netdiscover

netdiscover -r

I was unable to find any device. I only get router's IP and MAC address. It does not show any device even though I have connected 2 PCs and 2 Android phones.

My router is xiaomi 3c router.

Can anybody tell me why devices are not visible?

I can see all devices through the router page but not by a network scanning tool.

[I can see devices when connected to my Android hotspot scanning through netdiscover]

  • Are clients isolated by the router? .........how to remove isolation and how to check it is isolated or not.
    – Sid Dhawan
    Sep 13 '18 at 18:19
  • Try wizard.ae.krakow.pl/~jb/arpscan see what this tool shows. Sep 13 '18 at 23:45
  • I used arp -a before same result. I think router have some setting which hides the devices.
    – Sid Dhawan
    Sep 14 '18 at 2:58

I was facing same issue. Was able to get the connected devices on mobile hotspot but not on a router.

Sometimes netdiscover ARP packets timeout in real networks which is very common, Hence, to increase the number of packets sent for scanning, use the following command:

netdiscover -c 10 -r ip_range -i interface-name

This worked for me.

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