User-Agent

Mozilla/5.0 (X11; Linux x86_64; rv:143.0) Gecko/20100101 Firefox/143.0

first seen 2026-07-14 06:35 · last seen 2026-07-14 06:35 · JSON

Decomposed attributes

Browser / clientFirefox 143.0
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
ge11nr040000_e1d2031bdfea_000000000000_0000000000001

TCP SYN (p0f)

fingerprintco-occurrences
4:52+12:0:1460:mss*29,9:mss,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
42340_2-1-3_1460_91

Country

fingerprintco-occurrences
US · United States1

Network (ASN)

fingerprintco-occurrences
AS6939 · Hurricane Electric LLC1