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I need some help finding a device that has been showing up whenever I scan my network using Spiceworks' "Inventory" scan.

I can ping the device, but nslookup returns a non-existent domain, and Spiceworks is telling me that the device has no open ports. Opening a browser window and pointing it at the IP returns nothing (expected). I'm not familiar enough with Wireshark to be able to wield it well, and of course in order to remotely scan the Unknown Device I need some kind of daemon on it in the first place. Tough to do when you don't know where or what it is. Nmap simply says there are no ports open on the device.

I know for sure the device has a static IP, and it is most likely a wired device. Our switches are on the old side, and the few I've figured out how to access (the rest seem to be using very outdated passwords that no one knows) don't have a MAC scanning feature (that I've seen).

Could use some help. Is there a tool out there that could tell me which port in which switch a device is connected to? I'd like to find the physical location of this device.

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  • What does your network look like? Is it a SOHO, or a commercial grade device?
    – DarthCaniac
    Commented Mar 26, 2015 at 15:54
  • Commercial. Still working on getting model numbers and all that for the inventory, but one of 'em that i have access to is a NetGear FS728TP, if that's any help. Other switches are similar. Few Cisco, couple NetGear, etc.
    – zomgdavidbowie
    Commented Mar 26, 2015 at 15:57
  • Did nmap attempt to identify the manufacturer? does the arp table show the MAC address?
    – Jim G.
    Commented Mar 26, 2015 at 15:57
  • nmap did attempt, and came back with "Billionton Systems". Unfamiliar to me. I did snag the MAC address from it, though. EDIT: nmap can't detect the OS, though. "Too many fingerprints match this host to give specific OS details".
    – zomgdavidbowie
    Commented Mar 26, 2015 at 15:58
  • They appear to make wireless adapters and suchlike; maybe it's a USB adapter. And it's borderline whether a FS728TP is a commercial grade device.
    – richardb
    Commented Mar 26, 2015 at 16:09

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