Steve Andres of Special Ops Security emailed me to report his company's release of SQLrecon, Chip Andrews' successor to SQLping. SQLrecon is another .NET application that I tested on my Windows 2000 laptop. You can use SQLrecon to discover servers offering Windows SQL Server, and learn a little bit more than a port scanner might say.
The tool is very easy to use. By default, the tool is easy to use. Specify a range of IPs in the boxes and start the scan. Results appear in the window at right:
SQLrecon provides plenty of customization via options as well.
Thank you to Special Ops Security for releasing this free and helpful tool!