Get more info about an IP address or domain name, such as organization, abuse contacts and geolocation.
One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.
It would be much easier to download John Walkenbach's Power Utility Pak add-in, though: http://spreadsheetpage.com/index.php/pupv7/home/
It includes functions that handle pre-1900 dates.