Ping sweep without NMAP

for i in `seq 1 255`; do ping -c 1 10.10.10.$i | tr \\n ' ' | awk '/1 received/ {print $2}'; done
Ping sweep without NMAP

3
By: hemanth
2009-08-22 09:34:27

4 Alternatives + Submit Alt

  • Usefull for when you don't have nmap and need to find a missing host. Pings all addresses from 10.1.1.1 to 10.1.1.254, modify for your subnet. Timeout set to 1 sec for speed, if running over a slow connection you should raise that to avoid missing replies. This will clean up the junk, leaving just the IP address: for i in {1..254}; do ping -c 1 -W 1 10.1.1.$i | grep 'from' | cut -d' ' -f 4 | tr -d ':'; done Show Sample Output


    14
    for i in {1..254}; do ping -c 1 -W 1 10.1.1.$i | grep 'from'; done
    SuperJediWombat · 2010-04-07 16:57:53 7
  • Waits for all pings to complete and returns ip with mac address


    3
    (prefix="10.59.21" && for i in `seq 254`; do (sleep 0.5 && ping -c1 -w1 $prefix.$i &> /dev/null && arp -n | awk ' /'$prefix'.'$i' / { print $1 " " $3 } ') & done; wait)
    smoky · 2014-04-02 11:20:57 10
  • This version combines the best of the other suggestions and adds these features: 1. It scans a /16 subnet 2. It is very fast by running the ping commands in the background, running them in parallel. 3. Does not use the "-W" option as that's not available in older ping versions (I needed this for OS X 10.5)


    0
    prefix="169.254" && for i in {0..254}; do echo $prefix.$i/8; for j in {1..254}; do sh -c "ping -m 1 -c 1 -t 1 $prefix.$i.$j | grep \"icmp\" &" ; done; done
    tempelorg · 2012-07-25 12:07:15 3
  • Not really an easier solution. But an example using && for (if last command returned 0). You can use || for (if last command returned other than 0).. Show Sample Output


    -2
    prefix="10.0.0" && for i in `seq 25`; do ping -c 1 $prefix.$i &> /dev/null && echo "Answer from: $prefix.$i" ; done
    xeor · 2010-04-07 17:17:21 4

What Others Think

Glad you're enjoying our blog. In future, however, it would be nice if you gave some attribution when you're posting our content here on commandlinefu. This one is from http://blog.commandlinekungfu.com/2009/03/episode-6-command-line-ping-sweeper.html
Hal_Pomeranz · 760 weeks and 1 day ago
or... you can install fping. fping -g 192.168.0.0/24
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Great scripts, but I'm looking for something similar for ASH (in BusyBox v1.15.3). Unfortunately none of the above works with ash. Anyone who can help?
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pugpuppies95 · 34 weeks 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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