is there any way to mass ping a block of IP's?

[nageov3t]

I'm trying to figure out if there's a way to like ping a crapton of IP's (like, 2-3000) and come back with a report of which ones time out.

any suggestions? there's no way in hell that I'm doing them individually. hah.

 

[ScottMac]

There are a few port scanners that will sweep a range of addresses and report which ones responded. Then (if you want it to) it'll go back and sweep each responsive address with a range of port probes and tell you which ports are open for each address.

Google on port scanners, or go to TUCOWS.com (or CNET, or , or , or ....)

 

[NickOlsen8390]

angry ip scanner works

 

[JackMDS]

Here you have a selection, http://www.petri.co.il/quickly_find_remote_open_ports_gui.htm

 

[xSauronx]

nmap ftw, its made for this and has a windows port w/ gui and lots of scanning options

youre not going to be scanning public stuff are you? i would think a huge amount of probes/pings from one place would set off some kind of red flag.

 

[nageov3t]

youre not going to be scanning public stuff are you? i would think a huge amount of probes/pings from one place would set off some kind of red flag.

hopefully not, it's all internal stuff.

we use 192.168.xxx.xxx IP's for our backup software to communicate over. we keep track of them in a spreadsheet. the problem is that people aren't super great about updating the spreadsheet to flag IP's as free whenever servers get pulled or repurposed, so I'm guessing that we probably have a bunch of free IP's that we don't know about.

 

[drebo]

Look@Lan is what I've always used for this. It can output a report in CSV, HTML, etc. Very useful. It'll tell you what OS is on the LAN as well as (sometimes) the netbios name. It can also give you SNMP info about the devices as well. Oh, and it's free.

 

[jlazzaro]

angry ip scanner works

this

 

[Kristi2k]

Another good software:
http://www.softperfect.com/products/networkscanner/

 

[xSauronx]

Look@Lan is what I've always used for this. It can output a report in CSV, HTML, etc. Very useful. It'll tell you what OS is on the LAN as well as (sometimes) the netbios name. It can also give you SNMP info about the devices as well. Oh, and it's free.

ill have to play with this at school since im getting to update the network documentation, looks interesting.

ill also mention that "the dude" is free and worth playing around with. you can set it to scan ip ranges (via ping, or for services) and then poll the ranges again periodically in your preferred increment of time. the hosts are used to build a graphical map that you can manipulate and set warnings and such on.