On Thu, 2014-08-21 at 22:03 -0700, ToddAndMargo wrote: > Hi All, > > I have a Windows program > > http://sourceforge.net/projects/autoscan/ > > that will find all the MAC address on a Ethernet. > Last time I used it, it found stuff on 192.168.1.0/24 > and 192.168.88.0/24. Helped me fix everything so > they were on the same network. > > There is a Linux tarball for autoscan, but I can not > find an RPM for it. And, the tarball has no spec > file in it. > > I could really use this functionality on Linux. As > far as I can tell, nmap will only locate stuff on > the current network, not everything on the Ethernet. > > Any idea how to do this with nmap or similar? I > would really like to use nmap, if I could. > > I have tried "overlook fing", but it only finds stuff > on the current network. > > Many thanks, > -T > > > Hi Todd, You can use nmap -sP <network>\<prefix>, sample output below: Starting Nmap 6.40 ( http://nmap.org ) at 2014-08-22 05:00 EDT Nmap scan report for xxx.xxx.xxx.xxx Host is up (0.00070s latency). MAC Address: 00:26:F0:1F:3A:80 (Raspberry Pi Foundation) Nmap scan report for xxx.xxx.xxx.xxx Host is up (0.00019s latency). MAC Address: 00:20:AB:8C:8F:2D (Raspberry Pi Foundation) Nmap scan report for xxx.xxx.xxx.xxx Host is up (0.00024s latency). MAC Address: 00:20:CB:E0:B9:65 (Raspberry Pi Foundation)