User-Agent

Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:145.0) Gecko/20100101 Firefox/145.0

first seen 2026-06-11 23:07 · last seen 2026-06-29 23:15 · JSON

Decomposed attributes

Browser / clientFirefox 145.0
Operating systemWindows 10.0
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
t13d3113h1_e8f1e7e78f70_89992bd7bbd711

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.6
ge11nn040000_e1d2031bdfea_000000000000_0000000000005

TCP SYN (p0f)

fingerprintco-occurrences
4:52+12:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:04
4:48+16:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:03
6:51+13:0:1440:mss*45,7:mss,sok,ts,nop,ws:flow:01
6:47+17:0:1440:mss*45,7:mss,sok,ts,nop,ws:flow:01
4:51+13:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01
4:45+19:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_73
64800_2-4-8-1-3_1440_72

Country

fingerprintco-occurrences
US · United States2
JP · Japan2
GB · United Kingdom2
RU · Russia2
DE · Germany1
SG · Singapore1
SE · Sweden1

Network (ASN)

fingerprintco-occurrences
AS13213 · THG HOSTING LIMITED4
AS9009 · M247 Europe SRL3
AS57169 · EDIS GmbH2
AS14061 · DigitalOcean, LLC1
AS42708 · Glesys AB1