User-Agent

Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:141.0) Gecko/20100101 Firefox/141.0

first seen 2026-06-19 13:16 · last seen 2026-06-19 13:16 · JSON

Decomposed attributes

Browser / clientFirefox 141.0
Operating systemLinux x86_64
Device classdesktop
Noteinferred from the self-declared string — a claim, not a measurement; compare with the wire fingerprints above

Co-observed signals

Signals from other families seen in the same observation. A fingerprint spread thinly across many lower-layer signatures is a classic inconsistency signal.

TLS ClientHello (JA4)

fingerprintco-occurrences
t12d130600_2d7513195f68_e51b7354d87f1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn040000_88d30a62b7ad_000000000000_000000000000 Match?Exact match in Thumbprint's published controlled catalog captures: wget 1.25.0.The fingerprint page shows the full measured match list. More on the catalog.1

TCP SYN (p0f)

fingerprintco-occurrences
4:44+20:0:1460:mss*29,9:mss,nop,ws:df,id+:01

Country

fingerprintco-occurrences
US · United States1

Network (ASN)

fingerprintco-occurrences
AS6939 · Hurricane Electric LLC1