User-Agent

Mozilla/5.0 (X11; Debian; Linux x86_64; rv:145.0) Gecko/20100101 Firefox/145.0

first seen 2026-06-22 08:23 · last seen 2026-07-13 14:39 · JSON

Decomposed attributes

Browser / clientFirefox 145.0
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
t13d1812h1_85036bcba153_d41ae481755e3

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn040000_e1d2031bdfea_000000000000_0000000000002
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
4:57+7:0:1460:mss*44,7:mss,sok,ts,nop,ws:df,id+:02
4:117+11:0:1460:65535,8:mss,nop,ws,nop,nop,sok:df,id+,ecn:01

TCP SYN (JA4T)

fingerprintco-occurrences
64240_2-4-8-1-3_1460_72

Country

fingerprintco-occurrences
NL · Netherlands2
PL · Poland1

Network (ASN)

fingerprintco-occurrences
AS206264 · Amarutu Technology Ltd2
AS210558 · 1337 Services GmbH1