Free IP Calculator

Bob Sneidar bobsneidar at
Sat Jan 10 01:42:37 CET 2015

Looks like that whacks some other things. I’ll look at this on the weekend and verify all the returned values are correct. I can’t believe I saw 25 when it was supposed to be 23 and I didn’t catch it.

Bob S

On Jan 9, 2015, at 13:21 , Alex Tweedly <alex at<mailto:alex at>> wrote:

Thanks Bob - that looks really useful.

You do need one tiny tweak - the CIDR calculations are slightly off, because of the "."s in  theBinSubnetMask.
I added the line
 replace "." with empty in theBinSubnetMask
just before
  put offset("0", theBinSubnetMask) into theFirstNodeChar

to get the right answer (e.g. 24 instead of 27 in

Thanks again
-- Alex.

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