NMAP scan shows hosts which are not in my LAN? How is it possible?
I used nmap -sP (also with -PA and PR), and it shows 8 hosts up in my network. I know that only 3 hosts are up. How are this possible? One of the hosts it shows is iphone. I don't have iphone at home. Can it be a friend's iphone, who visited us a week ago, still in the router? Or could it be a neighbours ip address. It's private address anyway (192.168.1.x), so I suppose nmap can pick it up from a neighbour.
Any clarification on this issue would be much appreciated.
I used nmap -sP (also with -PA and PR), and it shows 8 hosts up in my network. I know that only 3 hosts are up. How are this possible? One of the hosts it shows is iphone. I don't have iphone at home. Can it be a friend's iphone, who visited us a week ago, still in the router? Or could it be a neighbours ip address. It's private address anyway (192.168.1.x), so I suppose nmap can pick it up from a neighbour.
Any clarification on this issue would be much appreciated. Thanks! Look at the OUI of the MAC addresses listed that are showing up in your scan if you haven't already done so. I've wondered the same thing when looking at my router one day and I had around the same number of devices showing when I only thought there should've been 4 or 5. It would not be a phone that associated a week ago because that device has to be reachable by the computer using NMAP. The devices are most likely on your network but you don't know about them. You would not be able to pick it up from your neighbor unless you are somehow bridging the two networks together. Wow. That was really new to me. After changing password for the routers, and more than 5 hours, no additional device is connected. So that means someone in neighborhood knew my pass and used it. I still can't believe it. If no extra device occurs in network, in a few days, I will be sure that this was the case.
Wow. That was really new to me. After changing password for the routers, and more than 5 hours, no additional device is connected. So that means someone in neighborhood knew my pass and used it. I still can't believe it. If no extra device occurs in network, in a few days, I will be sure that this was the case.
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