| User agent |
|---|
| NetResearchServer(http://www.look.com) |
| NetResearchServer/2.5(loopimprovements.com/robot.html) |
| NetResearchServer/2.7(loopimprovements.com/robot.html) |
| NetResearchServer/2.8(loopimprovements.com/robot.html) |
| NetResearchServer/3.5(loopimprovements.com/robot.html) |
| NetResearchServer/4.0(loopimprovements.com/robot.html) |