Scan Subnet for IP Addresses

Anyone know of utility that will scan a specified subnet and return a list of active IP addresses?

Thanks,

Justin
LVL 23
Justin DurrantSr. Engineer - Windows Server/VirtualizationAsked:
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SembeeCommented:
Angry IP Scanner.
Free

http://www.angryziber.com/ipscan/

Simon.
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lrmooreCommented:
Try SolarWinds engineer toolset. Free 30day eval
http://www.solarwinds.net
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jonathan6587Commented:
Windows

Superscan
http://www.webattack.com/get/superscan.shtml

nmapNT
http://www.eeye.com/html/Research/Tools/nmapNT.html

Linux - NMAP - normally installed with OS

NOTE:  NMAP is probably the best overall port scanner available.

Cheers

-Jonathan
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z71mike8379Commented:
Not to duplicate what jonathan wrote, but why not go right to the source and download the free tool from Foundstone.

Superscan
http://www.foundstone.com/?subnav=resources/navigation.htm&subcontent=/resources/proddesc/superscan.htm
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rootkiddyCommented:
And outside of that if you have linux machine running you could always ping the broadcast address.  Quick a dirty!
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DragonmenCommented:
I've tried all of the programs above, and found out that Adrem NetCrunch does not have any competition.
Not only he's have the discover but it can show you the diagram of the connections (who is connect where).
Also a monitoring of ports and browsing the SMTP.
Great program.
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PennGwynCommented:
Ostrosoft Network Tools (another freebie).

The "advanced" options under "ping" on Cisco IOS are often sufficient.

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aBearOfLittleBrainCommented:
Wee warning I am pretty sure I got malware off that IPSCAN link!
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