User-Agent

Mozilla/5.0 (X11; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/119.0

first seen 2026-06-17 03:24 · last seen 2026-10-17 14:15 · JSON

Distinct clients per day (last 30 days, peak 1/day)

Distinct clients are counted by IP-hash per complete UTC day — unlike observation counts this is insensitive to one chatty client, but NAT merges clients and address rotation splits them.

Decomposed attributes

Browser / clientFirefox 119.0
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
t13d221000_231e334592e8_29829a46703f3
t12d130600_2d7513195f68_e51b7354d87f1

HTTP request (JA4H)

fingerprintco-occurrences
ge11nn06enus_bfbaf88ec000_000000000000_0000000000003
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
4:54+10:0:1330:mss*49,10:mss,sok,ts,nop,ws:df,id+:02
4:51+13:0:1460:mss*29,9:mss,nop,ws:df,id+:01
4:51+13:0:1330:mss*49,10:mss,sok,ts,nop,ws:df,id+:01

TCP SYN (JA4T)

fingerprintco-occurrences
65170_2-4-8-1-3_1330_103

Country

fingerprintco-occurrences
US · United States4

Network (ASN)

fingerprintco-occurrences
AS212238 · Datacamp Limited3
AS6939 · Hurricane Electric LLC1

TLS supported groups

fingerprintco-occurrences
001d,0017,0018 Match?Exact match in Thumbprint's published controlled catalog captures: rust-reqwest 0.12.28, rust-reqwest 0.11.27, powershell 7.6.8, +1 more.The fingerprint page shows the full measured match list. More on the catalog.3