This cookie name is being set on 8,062 websites and 1 distinct domains and we have seen it bein used in the following objects:

8,062 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:

RUID19er1scypxi6i7uo97zasek4yuq56p761smsx341akdz7kz5rj6y====

This might be a Base64-encoded cookie. Decoded value:

b'EB\x03\xd7\xd7\xab\xd6\xc72\xa7\x18\xba\x8b\xbb\xa8\xf7\xbc\xda\xb1\xe98\xca\xea\xb9\xea\x9e\xfa\xd6\xc9\xac\xc7~5jGs\xeeL\xf9\xae>\xb2'

Length: 42 bytes (336 bits)
Information entropy: 5.20 bits (average bits per symbol)
Information content: 218.48 bits

Sample value:

RUID19rdqqs3jpmft9ydtkk4wbonrqaxk5odapsego8t1ygtzy61jmry====

This might be a Base64-encoded cookie. Decoded value:

b"EB\x03\xd7\xda\xdd\xaa\xab7\x8e\x99\x9f\xb7\xdc\x9d\xb6I8\xc1\xba'\xae\xa6\xb1\x93\x9a\x1dj\x9b\x1e\x82\x8f-\xd7(-\xcf.\xb5\x8ej\xf2"

Length: 42 bytes (336 bits)
Information entropy: 5.20 bits (average bits per symbol)
Information content: 218.48 bits

Sample value:

RUID3dc8fwf7f6h8g7c3ad8wk7zub5gnotefb5er8fb17dukwyzfcbmo====

This might be a Base64-encoded cookie. Decoded value:

b"EB\x03\xdd\xd7<\x7f\x07\xfb\x7f\xa8|\x83\xb77i\xdf0\x93\xbc\xeeo\x98'\xa2\xd7\x9fo\x97\xab\xf1\xf6\xf5\xed\xdb\xa4\xc3,\xdfq\xb9\xa8"

Length: 42 bytes (336 bits)
Information entropy: 5.15 bits (average bits per symbol)
Information content: 216.48 bits

Domains targeted by `put_2309` 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.

rubiconproject.com

Web Cookies Scanner

Cookie: `put_2309`

Cookie origin and purpose

Cookie classification

Sample values

Domains targeted by `put_2309` cookie

Websites setting `put_2309` cookie

Web Cookies Scanner

Cookie: put_2309

Cookie origin and purpose

Cookie classification

Sample values

Domains targeted by put_2309 cookie

Websites setting put_2309 cookie

Cookie: `put_2309`

Domains targeted by `put_2309` cookie

Websites setting `put_2309` cookie