Hi Stephen,

I think you use an Airport Base Station Network? If so:
Open Airport Utility
Click on the Base Station - It will show a window with all details
Network name, IP Address, LAN IP address, serial number, version, and Wireless 
Clients
My Airport Network wireless clients shows:
AppleTV, EPSON00F485.local, RondaBrownsiPad, Ronni MacBook Air, Ronni MacBook 
Pro, RonnisiPhone6Plus

If you are not using an Airport Base Station Network
Try Fing app
Fing - Network Scanner by Overlook Soft
https://appsto.re/au/tw1Rz.i

Cheers,
Ronni

Sent from Ronni's iPad4


> On 25 Jan 2015, at 10:27 am, Stephen Chape <[email protected]> wrote:
> 
> Thanks Ronni & Brian,
> Although printer has WiFi I have never initiated it.
> It uses ethernet.
> In any case it should only show up if it were switched on and that is not the 
> case.
> 
> None of Brian’s suggestion live in my home.
> However you now have me wondering about my Panasonic home phone.
> Could it be on my network without me ever setting it up ?
> Although I have no idea if it is WiFi capable.
> It is about 4 years old so maybe not.
> 
> 
> 
>> On 24 Jan 2015, at 11:12 pm, Ronda Brown <[email protected]> wrote:
>> 
>> Hi Stephen,
>> 
>> Do you have a Printer attached to your Telstra Router?
>> If so the IP 10.0.0.137 is possibly assigned to the Printer.
>> 
>> Log into the router & check.
>> 
>> Cheers,
>> Ronni
>> 
>> Sent from Ronni's iPad4
>> 
>> 
>>> On 24 Jan 2015, at 10:15 pm, Brian Risbey <[email protected]> wrote:
>>> 
>>> Hi Stephen
>>> Do you have any networked tvs or video machines or a clever home phone? 
>>> What about an X-Box or PS4?
>>> My home Panasonic phone can be answered on my iPhone and I can make calls 
>>> on the landline using the mobile, these devices should appear on your 
>>> network.
>>> 
>>> Brian
>>> Sent from my iPhone6 Plus
>>> iOS 8.1.2😉
>>> 
>>> On 24 Jan 2015, at 21:47, Stephen Chape <[email protected]> wrote:
>>> 
>>> Hi folks,
>>> 
>>> Today I installed “Who’s On My WiFi”.
>>> And I can identify everything on my Network except one.
>>> 
>>> The IP Address is 10.0.0.137
>>> The MAC is A6:B1:E9:9C:06:DB
>>> 
>>> Is there any way of tracking down what this might be please ?
>>> 
>>> Regards,
>>> Stephen Chape
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