| Type | Manufacturer |
|---|---|
| Website | https://www.networkinstruments.com/ |
| Phone number | (800) 526-7919 |
| Address | 10701 Red Circle Dr. Minnetonka,MN 55343 USA |
   |
In 1994, Network Instruments developed Observer - the first, affordable Windows-based protocol analyzer. It was also the first product to troubleshoot switched environments.