[CentOS] OT Strange IP address on home network

Johnny Hughes johnny at centos.org
Thu Oct 29 15:31:22 UTC 2015


On 10/28/2015 04:59 PM, Timothy Murphy wrote:
> Mark Haney wrote:
> 
>>> On 10/28/2015 9:04 AM, Timothy Murphy wrote:
>>>
>>>> Why does "arp -a" show IP address 169.254.192.123
>>>> on my 192.168.2.0 home network?
> 
>> Sounds like you have a host with a NIC that's configured for DHCP but
>> either can't communicate with the DHCP server, or there are no free IPs
>> for the DHCP server to give it.
>>> On 10/28/2015 9:04 AM, Timothy Murphy wrote:
> 
> Thanks for your response.
> I should have said I'm running CentOS-7.1 on my home server.
> Also the actual "arp -a" entry on the server is
>   (169.254.192.123) at 30:10:b3:2e:cb:ff
> 
> I see that 30:10:b3 is assigned to Lite-On (or Liteon)
> which is a Taiwan company, who sell network cards among other things.
> And I find when I google to "liteon wifi network"
> that there are many queries (and complaints) about mysterious links
> involving liteon devices.
> 
> So I guess the strange IP address probably comes from some Lite-On device
> somewhere in my house - maybe on the server itself, an HP MicroServer.
> There are so many possible electronic culprits today.

You should be able to use nmap to scan the device.


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