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Find computer names on a private network (with nmap?)

Fresh5 days ago
Mar 15, 202650137 views
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Problem

On a LAN, I want to find out the names of all the connected computers using a cross-platform program, preferably nmap. I know I can do (where xxx.xxx.xxx.xxx is a local IP address) to find hosts which are up, but how do I find the computers' hostnames? Do they broadcast this in a way that I can fin…

Error Output

nmap -sn xxx.xxx.xxx.xxx/24

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Fix for: Find computer names on a private network (with nmap?)

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From Angry IP Scanner's FAQ ("Hostnames not shown"): Angry IP Scanners displays hostnames returned by your DNS (name) server, by doing a reverse lookup. The server is provided the IP address and returns the hostname if it knows it. If some computer …

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