This cookie name is being set on 3,856 websites and 1 distinct domains and we have seen it bein used in the following objects:

  • 3,856 HTTP cookies

Cookie origin and purpose

  • Rubicon Project cookie used for tracking advertising campaigns and collect anonymized user behavior statistics. (confidence 1.0) » Reference...

Cookie classification

  • unknown (confidence 0.3)
  • tracking (confidence 0.3)
  • marketing (confidence 0.3)

Sample values

Sample value:
usr22c520a7cc427128
Sample value:
usr3f8225a901f94140
Sample value:
usr3f9a98a1680ae360

Domains targeted by put_2100 cookie

This list includes both third-party domains set by tracking and adversing companies, as well as the first-party domains of the websites that use this cookie name.

Websites setting put_2100 cookie

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