Help me understand

[Adrian Lopez <lopezadl2ian () gmail com>]

Hello All,

I am not sure if this is the right mailing list for this type of question
but I thought I would give it a try. I am new to Nmap and I am having
trouble understanding a few things. First, what I dont understand is when I
want to scan my personal computer, I have a specific IP that starts with 67
and I get a response from Nmap stating the following when I attempt to scan
that IP:

- dnet: failed to open device eth6

I was thinking maybe because I am connected to a router that connects to my
cable modem.  If I use the ipconfig command it tells me to that my IPv4
Address is 10.0.0.X(Preferred). Why is this preferred?
Also, I thought that a lot of private servers use 10.0.0.X how can Nmap
differentiate between my 10.0.0.1 vs another server 10.0.0.1? Let me know if
I need to explain things better or provide more information.

Note: Keep in mind I am fairly new to Nmap and scanning/networking in
general.

Thanks!

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