Unknown Ip Address

I am facing an issue with one of the IP address.I have an IP Address which host name says Unknown.I am very tense because my router is Configured with Firewall and all other network also can anyone tell me what i need to do in this case.


Thanks in advance.

Sure i will help you out with this can you tell me which Operating System are you using ?

I am using Windows XP SP2.

I was also facing some what this kind of issue i tried to use nmap and it worked for me hope it will worked for you too.For downloading please click on the below Link.

Download

Thanks you very much i got the Operatign System name and The Host Address, It took a long time but nevermind it's ok.