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Is their a way to find out what IP addresses or full resolved computer names are connected to a specific Access Point on a network?

Edit: The APs are generic netgear routers running in AP mode with stock firmware.

Anshu Prateek
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2 Answers2

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If you are connected to the network: Try Advanced IP Scanner. (Only used it once, long ago, use at own risk).

If you are not connected to the network: I must say, I don't know how to get an IP from a mac address if you are not connected to the same network, but you can find the mac addresses of devices connected to a wireless access point by using airodump-ng from linux.

Below is an example airodump-ng output adapted from http://www.aircrack-ng.org/doku.php?id=airodump-ng

CH 9 ][ Elapsed: 1 min ][ 2007-04-26 17:41 ][ WPA handshake: 00:14:6C:7E:40:80

BSSID PWR RXQ Beacons #Data, #/s CH MB ENC CIPHER AUTH ESSID

00:09:5B:1C:AA:1D 11 16 10 0 0 11 54. OPN NETGEAR
00:14:6C:7A:41:81 34 100 57 14 1 9 11e WEP WEP bigbear 00:14:6C:7E:40:80 32 100 752 73 2 9 54 WPA TKIP PSK teddy

BSSID STATION PWR Rate Lost Packets Probes

00:14:6C:7A:41:81 00:0F:B5:32:31:31 51 36-24 2 14 (not associated) 00:14:A4:3F:8D:13 19 0-0 0 4 mossy 00:14:6C:7A:41:81 00:0C:41:52:D1:D1 -1 36-36 0 5 00:14:6C:7E:40:80 00:0F:B5:FD:FB:C2 35 54-54 0 99 teddy

The top part shows all Access Points. Bottom part 2nd column shows devices connected to Bottom part 1st column Access Point. You can see two devices connected to 00:14:6C:7A:41:81 (bigbear).

Hope it helps.

sirwoetang
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  1. What make / type AP are you referring too?
  2. It is possible, on either the terminal or the GUI interface (normally the default gateway address in your browser) navigate to the dhcp server. You will be able to see the IP, hostname, MAC and time before the lease is going to be renewed. Ideally the ARP protocol would answer you question, as in Cisco we find it extremely useful to view connected devices. I know in Windows command prompt I've used the arp -a command to trace devices on the network route.
Rudolph
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  • arp -a or the GUI would give me devices connected to the network, not just to the AP, right? – Anshu Prateek Sep 17 '13 at 18:53
  • Yes, it would provide the devices' names connected to the network. If you are not too computer literate, I would suggest trying the GUI, which would be the default gateway address entered into your browser. – Rudolph Sep 18 '13 at 06:10
  • mmm, I need the device list connected only to the AP and not the network. Thge GUI on the router/gateway will show me everything connected to it. It doesn't show if the devices are connected through a particular AP. – Anshu Prateek Sep 21 '13 at 07:01