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I'd just like to see who is connecting to my computers Access Point wifi.

I'm sharing Internet from Ethernet to wifi with a password, etc.

  • Strictly speaking, it's not ad hoc, it's an Access Point. – Tetsujin Dec 11 '14 at 19:16
1

Run the following to list all connections on your Mac through all interfaces.

arp -a

To limit to a single interface, use:

arp -a -i en1
  • thanks! this is a cool command. It just displays MAC addresses though, correct? I guess I was hoping for a GUI that could display device names or something more robust, like an admin tool. – pinhead Dec 11 '14 at 19:35
  • @pinhead It shows IP addresses and hostnames too, but yes, there's no 'admin tool' of such. – grg Dec 11 '14 at 19:36
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There is a GUI solution on Apple Store--it is FREE !

https://itunes.apple.com/us/app/who-is-on-my-wifi/id909760813?mt=12

Who Is On My WiFi By IO3O LLC

Who's On My Wifi is an easy way to Detect Unknown Devices on your network.

Whether it's someone using your wired or wireless network, Who's On My Wifi's optional automated background scanning will find all devices on the network, let you tag them, and notify you if any new unknown devices are found.

Sample:

who is on my network

0

Non-free GUI-solutions are iNet and Network Radar.
Network Radar provides a free trial.

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