Thanks. Would the 3rd party tool fill in the spreadsheet? I've got ~700 hostnames to look up. Really looking for something to do it programmatically.
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Excel hostname from IP
I've got an excel spreadsheet with a list of IP addresses from within our network. I need to be able to determine the hostnames and fill in the neighboring column with them. I've used VB for simple utilities, but am unfamiliar with these functions.
Thanks
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Answers
Actually, it's a diverse list. Contiguous range on the spreadsheet, but not all in the same subnet - not sequential addresses. We've got over 700 remote subnets. I need to ping an address in each of the subnets (listed on a spreadsheet) and return the hostnames associated with the addresses. Then using the populated hostnames, parse out a piece (I know how to do this part) to be used to configure something else.
Can do this from VBA if needed but assuming this is a one off type job related to your other Q, have the column of IP's as a text file iplist.txt then run this from a command prompt:
(for /f %p in (iplist.txt) do @for /f "tokens=2 delims=:" %a in ('@nslookup %p x.x.x.x^>NUL ^| find "Name:"') do @echo %p,%a)>output.csv
where x.x.x.x is the dns server you want to point it at to resolve the names.
Steve
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by: sameh_salemPosted on 2009-11-03 at 03:02:47ID: 25727681
if you have DHCP server in your network you get the list of hostnames and their IP addresses directly
from dhcp console
else you can use third party tool like GFI LAN guard