nmap + how to detected all machines IP's with range for example 10.64.*.*












0














How to verify the range of all machines with nmap within IP class



 10.64.*.*


For example we tried



nmap -sn 10.64.*.0/24 | grep redhat


in order to capture all machines with redhat name that have IPs from 10.64.1.0 to 10.64.255.255 but this doesn't work.






linux networking nmap







share|improve this question
























  • Is 10.64.*.* a connected network (i.e. the machine from which you're executing nmap has an IP in the same network)? Is the network subnetmask 255.255.0.0 (/16)?
    – Mr Shunz
    Dec 12 at 15:34
















0














How to verify the range of all machines with nmap within IP class



 10.64.*.*


For example we tried



nmap -sn 10.64.*.0/24 | grep redhat


in order to capture all machines with redhat name that have IPs from 10.64.1.0 to 10.64.255.255 but this doesn't work.






linux networking nmap







share|improve this question
























  • Is 10.64.*.* a connected network (i.e. the machine from which you're executing nmap has an IP in the same network)? Is the network subnetmask 255.255.0.0 (/16)?
    – Mr Shunz
    Dec 12 at 15:34














0












0








0







How to verify the range of all machines with nmap within IP class



 10.64.*.*


For example we tried



nmap -sn 10.64.*.0/24 | grep redhat


in order to capture all machines with redhat name that have IPs from 10.64.1.0 to 10.64.255.255 but this doesn't work.






linux networking nmap







share|improve this question















How to verify the range of all machines with nmap within IP class



 10.64.*.*


For example we tried



nmap -sn 10.64.*.0/24 | grep redhat


in order to capture all machines with redhat name that have IPs from 10.64.1.0 to 10.64.255.255 but this doesn't work.






linux networking nmap




linux networking nmap






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Dec 12 at 15:48









Mr Shunz

1,6641616




1,6641616










asked Dec 12 at 15:23









King David

186119




186119












  • Is 10.64.*.* a connected network (i.e. the machine from which you're executing nmap has an IP in the same network)? Is the network subnetmask 255.255.0.0 (/16)?
    – Mr Shunz
    Dec 12 at 15:34


















  • Is 10.64.*.* a connected network (i.e. the machine from which you're executing nmap has an IP in the same network)? Is the network subnetmask 255.255.0.0 (/16)?
    – Mr Shunz
    Dec 12 at 15:34
















Is 10.64.*.* a connected network (i.e. the machine from which you're executing nmap has an IP in the same network)? Is the network subnetmask 255.255.0.0 (/16)?
– Mr Shunz
Dec 12 at 15:34




Is 10.64.*.* a connected network (i.e. the machine from which you're executing nmap has an IP in the same network)? Is the network subnetmask 255.255.0.0 (/16)?
– Mr Shunz
Dec 12 at 15:34










2 Answers
2






active

oldest

votes


















1














Using nmap to scan 10.64.*.*will take a lot of time as there are 4096 addresses to scan.
Also, for OS detection use -O option with nmap.
-sn only shows available host.
You can use -v to see the verbose output.
I hope this helps!!






share|improve this answer





















  • is it possible to find first the first three octat with nmap ? ( for example in some cluster we have 10.64.30.xxx and 19.64.31.xxx ( is it possible to find it by nmap or other tool ?
    – King David
    Dec 12 at 16:02












  • If your ip is in the cluster you can check it by ifconfig utility.
    – CHETAN ARORA
    Dec 12 at 16:07










  • but other machines could be with other octata
    – King David
    Dec 12 at 16:12










  • Ifconfig utility gives subnet mask. E.g. if my mask is 255.255.254.0 , as it has 23 1’s from beginning. So my ip range would be 10.64.0.0/23 . Try using the verbose output it will solve any doubts itself.
    – CHETAN ARORA
    Dec 12 at 16:26










  • If you're forgoing the port scan, OS detection is likely to be significantly less reliable. Also, you can speed things up further by adding -PR to use ARP to find hosts that are online and -T4 to generally speed things up.
    – Austin Hemmelgarn
    Dec 12 at 19:42



















1














Try for the target the syntax of 10.64.0.0/16 or 10.64.0-255.1-254.






share|improve this answer





















  • when I didi it then nmap stuck , ( we cant to cntrl C also )
    – King David
    Dec 12 at 15:34












  • I did it without the | grep , but I see nmap take a lot of time , and I must to get results ate least in one min
    – King David
    Dec 12 at 15:47










  • Try to add the -T5 parameter to use the full available bandwidth, but may slow down the rest of the network.
    – harrymc
    Dec 12 at 16:12











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2 Answers
2






active

oldest

votes








2 Answers
2






active

oldest

votes









active

oldest

votes






active

oldest

votes









1














Using nmap to scan 10.64.*.*will take a lot of time as there are 4096 addresses to scan.
Also, for OS detection use -O option with nmap.
-sn only shows available host.
You can use -v to see the verbose output.
I hope this helps!!






share|improve this answer





















  • is it possible to find first the first three octat with nmap ? ( for example in some cluster we have 10.64.30.xxx and 19.64.31.xxx ( is it possible to find it by nmap or other tool ?
    – King David
    Dec 12 at 16:02












  • If your ip is in the cluster you can check it by ifconfig utility.
    – CHETAN ARORA
    Dec 12 at 16:07










  • but other machines could be with other octata
    – King David
    Dec 12 at 16:12










  • Ifconfig utility gives subnet mask. E.g. if my mask is 255.255.254.0 , as it has 23 1’s from beginning. So my ip range would be 10.64.0.0/23 . Try using the verbose output it will solve any doubts itself.
    – CHETAN ARORA
    Dec 12 at 16:26










  • If you're forgoing the port scan, OS detection is likely to be significantly less reliable. Also, you can speed things up further by adding -PR to use ARP to find hosts that are online and -T4 to generally speed things up.
    – Austin Hemmelgarn
    Dec 12 at 19:42
















1














Using nmap to scan 10.64.*.*will take a lot of time as there are 4096 addresses to scan.
Also, for OS detection use -O option with nmap.
-sn only shows available host.
You can use -v to see the verbose output.
I hope this helps!!






share|improve this answer





















  • is it possible to find first the first three octat with nmap ? ( for example in some cluster we have 10.64.30.xxx and 19.64.31.xxx ( is it possible to find it by nmap or other tool ?
    – King David
    Dec 12 at 16:02












  • If your ip is in the cluster you can check it by ifconfig utility.
    – CHETAN ARORA
    Dec 12 at 16:07










  • but other machines could be with other octata
    – King David
    Dec 12 at 16:12










  • Ifconfig utility gives subnet mask. E.g. if my mask is 255.255.254.0 , as it has 23 1’s from beginning. So my ip range would be 10.64.0.0/23 . Try using the verbose output it will solve any doubts itself.
    – CHETAN ARORA
    Dec 12 at 16:26










  • If you're forgoing the port scan, OS detection is likely to be significantly less reliable. Also, you can speed things up further by adding -PR to use ARP to find hosts that are online and -T4 to generally speed things up.
    – Austin Hemmelgarn
    Dec 12 at 19:42














1












1








1






Using nmap to scan 10.64.*.*will take a lot of time as there are 4096 addresses to scan.
Also, for OS detection use -O option with nmap.
-sn only shows available host.
You can use -v to see the verbose output.
I hope this helps!!






share|improve this answer












Using nmap to scan 10.64.*.*will take a lot of time as there are 4096 addresses to scan.
Also, for OS detection use -O option with nmap.
-sn only shows available host.
You can use -v to see the verbose output.
I hope this helps!!







share|improve this answer












share|improve this answer



share|improve this answer










answered Dec 12 at 15:58









CHETAN ARORA

261




261












  • is it possible to find first the first three octat with nmap ? ( for example in some cluster we have 10.64.30.xxx and 19.64.31.xxx ( is it possible to find it by nmap or other tool ?
    – King David
    Dec 12 at 16:02












  • If your ip is in the cluster you can check it by ifconfig utility.
    – CHETAN ARORA
    Dec 12 at 16:07










  • but other machines could be with other octata
    – King David
    Dec 12 at 16:12










  • Ifconfig utility gives subnet mask. E.g. if my mask is 255.255.254.0 , as it has 23 1’s from beginning. So my ip range would be 10.64.0.0/23 . Try using the verbose output it will solve any doubts itself.
    – CHETAN ARORA
    Dec 12 at 16:26










  • If you're forgoing the port scan, OS detection is likely to be significantly less reliable. Also, you can speed things up further by adding -PR to use ARP to find hosts that are online and -T4 to generally speed things up.
    – Austin Hemmelgarn
    Dec 12 at 19:42


















  • is it possible to find first the first three octat with nmap ? ( for example in some cluster we have 10.64.30.xxx and 19.64.31.xxx ( is it possible to find it by nmap or other tool ?
    – King David
    Dec 12 at 16:02












  • If your ip is in the cluster you can check it by ifconfig utility.
    – CHETAN ARORA
    Dec 12 at 16:07










  • but other machines could be with other octata
    – King David
    Dec 12 at 16:12










  • Ifconfig utility gives subnet mask. E.g. if my mask is 255.255.254.0 , as it has 23 1’s from beginning. So my ip range would be 10.64.0.0/23 . Try using the verbose output it will solve any doubts itself.
    – CHETAN ARORA
    Dec 12 at 16:26










  • If you're forgoing the port scan, OS detection is likely to be significantly less reliable. Also, you can speed things up further by adding -PR to use ARP to find hosts that are online and -T4 to generally speed things up.
    – Austin Hemmelgarn
    Dec 12 at 19:42
















is it possible to find first the first three octat with nmap ? ( for example in some cluster we have 10.64.30.xxx and 19.64.31.xxx ( is it possible to find it by nmap or other tool ?
– King David
Dec 12 at 16:02






is it possible to find first the first three octat with nmap ? ( for example in some cluster we have 10.64.30.xxx and 19.64.31.xxx ( is it possible to find it by nmap or other tool ?
– King David
Dec 12 at 16:02














If your ip is in the cluster you can check it by ifconfig utility.
– CHETAN ARORA
Dec 12 at 16:07




If your ip is in the cluster you can check it by ifconfig utility.
– CHETAN ARORA
Dec 12 at 16:07












but other machines could be with other octata
– King David
Dec 12 at 16:12




but other machines could be with other octata
– King David
Dec 12 at 16:12












Ifconfig utility gives subnet mask. E.g. if my mask is 255.255.254.0 , as it has 23 1’s from beginning. So my ip range would be 10.64.0.0/23 . Try using the verbose output it will solve any doubts itself.
– CHETAN ARORA
Dec 12 at 16:26




Ifconfig utility gives subnet mask. E.g. if my mask is 255.255.254.0 , as it has 23 1’s from beginning. So my ip range would be 10.64.0.0/23 . Try using the verbose output it will solve any doubts itself.
– CHETAN ARORA
Dec 12 at 16:26












If you're forgoing the port scan, OS detection is likely to be significantly less reliable. Also, you can speed things up further by adding -PR to use ARP to find hosts that are online and -T4 to generally speed things up.
– Austin Hemmelgarn
Dec 12 at 19:42




If you're forgoing the port scan, OS detection is likely to be significantly less reliable. Also, you can speed things up further by adding -PR to use ARP to find hosts that are online and -T4 to generally speed things up.
– Austin Hemmelgarn
Dec 12 at 19:42













1














Try for the target the syntax of 10.64.0.0/16 or 10.64.0-255.1-254.






share|improve this answer





















  • when I didi it then nmap stuck , ( we cant to cntrl C also )
    – King David
    Dec 12 at 15:34












  • I did it without the | grep , but I see nmap take a lot of time , and I must to get results ate least in one min
    – King David
    Dec 12 at 15:47










  • Try to add the -T5 parameter to use the full available bandwidth, but may slow down the rest of the network.
    – harrymc
    Dec 12 at 16:12
















1














Try for the target the syntax of 10.64.0.0/16 or 10.64.0-255.1-254.






share|improve this answer





















  • when I didi it then nmap stuck , ( we cant to cntrl C also )
    – King David
    Dec 12 at 15:34












  • I did it without the | grep , but I see nmap take a lot of time , and I must to get results ate least in one min
    – King David
    Dec 12 at 15:47










  • Try to add the -T5 parameter to use the full available bandwidth, but may slow down the rest of the network.
    – harrymc
    Dec 12 at 16:12














1












1








1






Try for the target the syntax of 10.64.0.0/16 or 10.64.0-255.1-254.






share|improve this answer












Try for the target the syntax of 10.64.0.0/16 or 10.64.0-255.1-254.







share|improve this answer












share|improve this answer



share|improve this answer










answered Dec 12 at 15:30









harrymc

252k12259560




252k12259560












  • when I didi it then nmap stuck , ( we cant to cntrl C also )
    – King David
    Dec 12 at 15:34












  • I did it without the | grep , but I see nmap take a lot of time , and I must to get results ate least in one min
    – King David
    Dec 12 at 15:47










  • Try to add the -T5 parameter to use the full available bandwidth, but may slow down the rest of the network.
    – harrymc
    Dec 12 at 16:12


















  • when I didi it then nmap stuck , ( we cant to cntrl C also )
    – King David
    Dec 12 at 15:34












  • I did it without the | grep , but I see nmap take a lot of time , and I must to get results ate least in one min
    – King David
    Dec 12 at 15:47










  • Try to add the -T5 parameter to use the full available bandwidth, but may slow down the rest of the network.
    – harrymc
    Dec 12 at 16:12
















when I didi it then nmap stuck , ( we cant to cntrl C also )
– King David
Dec 12 at 15:34






when I didi it then nmap stuck , ( we cant to cntrl C also )
– King David
Dec 12 at 15:34














I did it without the | grep , but I see nmap take a lot of time , and I must to get results ate least in one min
– King David
Dec 12 at 15:47




I did it without the | grep , but I see nmap take a lot of time , and I must to get results ate least in one min
– King David
Dec 12 at 15:47












Try to add the -T5 parameter to use the full available bandwidth, but may slow down the rest of the network.
– harrymc
Dec 12 at 16:12




Try to add the -T5 parameter to use the full available bandwidth, but may slow down the rest of the network.
– harrymc
Dec 12 at 16:12


















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