[routing-wg] Asking methods to monitor used IPs

Il giorno lun, 04/11/2013 alle 23.06 +0330, Jahangir Asadi ha scritto:
> Dear Sir or Madam
> 
> 
> 
>     I have some customers who I have allocated high band width with
> wide ranges of IPv4 addresses to. Because of lack of IPv4, I would
> like to see that how many IPs they are using. It would be grateful if
> you  tell me how can I do this and what soft ware I have to use to
> monitor the used IPs.
> 
> 
>     I would like to thank you in advance and I am looking forward to
> hearing from you soon.
> 
> 

Hi,
what you might want to do is a ping sweep. However it is effective only
against hosts that allow ICMP echos. For those customers that block ICMP
I think your only option is a port scan, which might not be desirable.

For both ways your best choice is nmap [1].

BR,

leonardo

[1] http://nmap.org/

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