Once off network scanning tool
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 We all know a variety of network scanning and discovery software solutions exist. What I am after is a simple once-off tool. Reason: Potential client analysis Spiceworks scanning is very hit or miss. 
 PRTG takes a ton of setup work
 Solarwinds I always ignore because I hate their email spam.I want something that is more portable/hosted. I really do not care if it is 100% perfect. The point is to let it run for a couple hours and get a basic inventory and such. Software is a bonus if it does WMI or something. 
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 Monitis has a lot of options and seems scalable. 
 http://www.monitis.comThe free version is http://monitor.us Downside: A TeamViewer company and no desktop scanning? 
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 It's been replaced with Fing but older versions of Look@LAN might help. I don't believe it can do WMI. 
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 Have a look at this one by softperfect. 
 It's portable but... I don't think that there is a report function.
 https://www.softperfect.com/products/networkscanner/
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 Have a look at 
 http://www.lansweeper.com/purchase.aspx
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 Propaganda blurb from the softperfect website: SoftPerfect Network Scanner is a free multi-threaded IPv4/IPv6 scanner with a modern interface and many advanced features. It is intended for both system administrators and general users interested in computer security. The program pings computers, scans for listening TCP/UDP ports and discovers shared folders, including system and hidden ones. In addition, it can can retrieve practically any information about network computers via WMI, SNMP, HTTP, NetBios and a bunch of other features. It can also resolve host names and auto-detect the local and external IP address range. To assist with network administration, it supports remote shutdown and Wake-On-LAN. 
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 Have you considered writing your own? (I have) 
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 @nadnerB said: Have a look at this one by softperfect. 
 It's portable but... I don't think that there is a report function.
 https://www.softperfect.com/products/networkscanner/I swear by SoftPerfect's Scanner. You can save your scans and it can do a LOT - - to the point where you can load up custom OID's for SNMP scanning, alternate credentials for WMI scanning, configure right-click options on your scan results, etc. I use it all the time. When we migrate our remote sites to new IP schemes, I use it to inventory the subnet, then I'll come back and scan again (you can import your prior scans and merge them). The SNMP integration is great. I am getting printer serial and model numbers - - otherwise, I would have to connect to each manually. It's portable in that you can simply copy the folder to a USB drive and it will work, but I don't know if it's 'proper portable.' Great stuff. 



