ARP Scan

if [ -x /sbin/arping ] ; then for i in {1..255} ; do echo arping 10.1.1.$i ; arping -c 1 10.1.1.$i | grep reply ; done ; fi
The following syntax will scan a range of IP addresses. At the point of a ARP response being received it will show a reply message. www.fir3net.com
Sample Output
arping 10.1.1.20
Unicast reply from 10.1.1.20 [00:50:53:47:AD:2A]  0.938ms
arping 10.1.1.21
arping 10.1.1.22
arping 10.1.1.23

0
By: felix001
2011-02-21 21:03:09

1 Alternatives + Submit Alt

  • A much quicker and (not dirtier) option. use the man page for help. On linux/ubuntu you will need to `sudo apt-get -y install arp-scan`. Show Sample Output


    7
    sudo arp-scan -l
    linuxrawkstar · 2011-02-21 21:58:27 3

What Others Think

Shouldn't that be {0..254} ? I thought 255 is the broadcast-adress?
joedhon · 399 weeks and 6 days ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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